13100434431 has 64 divisors (see below), whose sum is σ = 21830860800. Its totient is φ = 6820934400.

The previous prime is 13100434427. The next prime is 13100434441. The reversal of 13100434431 is 13443400131.

It is not a de Polignac number, because 13100434431 - 2² = 13100434427 is a prime.

It is a super-2 number, since 2×13100434431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100434411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1155850 + ... + 1167128.

It is an arithmetic number, because the mean of its divisors is an integer number (341107200).

Almost surely, 2^13100434431 is an apocalyptic number.

13100434431 is a deficient number, since it is larger than the sum of its proper divisors (8730426369).

13100434431 is a wasteful number, since it uses less digits than its factorization.

13100434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13100434431 its reverse (13443400131), we get a palindrome (26543834562).

The spelling of 13100434431 in words is "thirteen billion, one hundred million, four hundred thirty-four thousand, four hundred thirty-one".