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30331100232131 = 411408752515293
BaseRepresentation
bin1101110010110000000100…
…11101000111100111000011
310222101121212112012021100112
412321120002131013213003
512433421043124412011
6144301525354141535
76250230640051346
oct671300235074703
9128347775167315
1030331100232131
119734390395036
12349a4541218ab
1313c029756547a
1476c066ad645d
15378eac99158b
hex1b96027479c3

30331100232131 has 8 divisors (see below), whose sum is σ = 31073089398624. Its totient is φ = 29589216124480.

The previous prime is 30331100232109. The next prime is 30331100232133. The reversal of 30331100232131 is 13123200113303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30331100232131 - 214 = 30331100215747 is a prime.

It is a super-2 number, since 2×303311002321312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30331100232097 and 30331100232106.

It is not an unprimeable number, because it can be changed into a prime (30331100232133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25680080 + ... + 26835213.

It is an arithmetic number, because the mean of its divisors is an integer number (3884136174828).

Almost surely, 230331100232131 is an apocalyptic number.

30331100232131 is a deficient number, since it is larger than the sum of its proper divisors (741989166493).

30331100232131 is a wasteful number, since it uses less digits than its factorization.

30331100232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52529421.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30331100232131 its reverse (13123200113303), we get a palindrome (43454300345434).

The spelling of 30331100232131 in words is "thirty trillion, three hundred thirty-one billion, one hundred million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 41 14087 577567 52515293 2153127013 739782932491 30331100232131