13131231311032 has 16 divisors (see below), whose sum is σ = 24749964777600. Its totient is φ = 6531240703680.

The previous prime is 13131231310979. The next prime is 13131231311041. The reversal of 13131231311032 is 23011313213131.

13131231311032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13131231310988 and 13131231311006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4296867357 + ... + 4296870412.

It is an arithmetic number, because the mean of its divisors is an integer number (1546872798600).

Almost surely, 2^{13131231311032} is an apocalyptic number.

It is an amenable number.

13131231311032 is a deficient number, since it is larger than the sum of its proper divisors (11618733466568).

13131231311032 is a wasteful number, since it uses less digits than its factorization.

13131231311032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593737966 (or 8593737962 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13131231311032 its reverse (23011313213131), we get a palindrome (36142544524163).

The spelling of 13131231311032 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty-one million, three hundred eleven thousand, thirty-two".