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31022213301030 = 2357175983982277
BaseRepresentation
bin1110000110110111011000…
…00000010000001100100110
311001211200202101100210110010
413003123230000100030212
513031231443101113110
6145551224045511050
76351165236156640
oct703335400201446
9131750671323403
1031022213301030
1199804a072a876
123590390572486
1314404c77c02a3
147936a9a19890
1538be5b754020
hex1c36ec010326

31022213301030 has 64 divisors (see below), whose sum is σ = 85137874145280. Its totient is φ = 7086760377984.

The previous prime is 31022213301011. The next prime is 31022213301083. The reversal of 31022213301030 is 3010331222013.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 31022213300988 and 31022213301006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41621749 + ... + 42360528.

It is an arithmetic number, because the mean of its divisors is an integer number (1330279283520).

Almost surely, 231022213301030 is an apocalyptic number.

31022213301030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31022213301030 is an abundant number, since it is smaller than the sum of its proper divisors (54115660844250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31022213301030 is a wasteful number, since it uses less digits than its factorization.

31022213301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83984053.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31022213301030 its reverse (3010331222013), we get a palindrome (34032544523043).

The spelling of 31022213301030 in words is "thirty-one trillion, twenty-two billion, two hundred thirteen million, three hundred one thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1759 3518 5277 8795 10554 12313 17590 24626 26385 36939 52770 61565 73878 123130 184695 369390 83982277 167964554 251946831 419911385 503893662 587875939 839822770 1175751878 1259734155 1763627817 2519468310 2939379695 3527255634 5878759390 8818139085 17636278170 147724825243 295449650486 443174475729 738624126215 886348951458 1034073776701 1477248252430 2068147553402 2215872378645 3102221330103 4431744757290 5170368883505 6204442660206 10340737767010 15511106650515 31022213301030