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313312320030 = 23522945605869
BaseRepresentation
bin1001000111100101101…
…11101001101000011110
31002221201021101221202010
410203302313221220132
520113130423220110
6355533402212050
731431112531113
oct4436267515036
91087637357663
10313312320030
11110969700386
125087b7b4026
1323711b22c58
141124316a90a
15823b255020
hex48f2de9a1e

313312320030 has 32 divisors (see below), whose sum is σ = 755233207200. Its totient is φ = 83185103232.

The previous prime is 313312320019. The next prime is 313312320043. The reversal of 313312320030 is 30023213313.

It is a super-2 number, since 2×3133123200302 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313312319979 and 313312320006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22796065 + ... + 22809804.

It is an arithmetic number, because the mean of its divisors is an integer number (23601037725).

Almost surely, 2313312320030 is an apocalyptic number.

313312320030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313312320030 is an abundant number, since it is smaller than the sum of its proper divisors (441920887170).

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

313312320030 is a wasteful number, since it uses less digits than its factorization.

313312320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45606108.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 313312320030 its reverse (30023213313), we get a palindrome (343335533343).

The spelling of 313312320030 in words is "three hundred thirteen billion, three hundred twelve million, three hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 229 458 687 1145 1374 2290 3435 6870 45605869 91211738 136817607 228029345 273635214 456058690 684088035 1368176070 10443744001 20887488002 31331232003 52218720005 62662464006 104437440010 156656160015 313312320030