13035431631 has 32 divisors (see below), whose sum is σ = 19606832640. Its totient is φ = 7662086784.

The previous prime is 13035431611. The next prime is 13035431641. The reversal of 13035431631 is 13613453031.

It is not a de Polignac number, because 13035431631 - 2¹³ = 13035423439 is a prime.

It is a super-2 number, since 2×13035431631² (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 (13035431611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85860 + ... + 182873.

It is an arithmetic number, because the mean of its divisors is an integer number (612713520).

Almost surely, 2^13035431631 is an apocalyptic number.

13035431631 is a deficient number, since it is larger than the sum of its proper divisors (6571401009).

13035431631 is a wasteful number, since it uses less digits than its factorization.

13035431631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268815.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 13035431631 its reverse (13613453031), we get a palindrome (26648884662).

The spelling of 13035431631 in words is "thirteen billion, thirty-five million, four hundred thirty-one thousand, six hundred thirty-one".