13103131032 has 24 divisors (see below), whose sum is σ = 35487646740. Its totient is φ = 4367710320.

The previous prime is 13103130983. The next prime is 13103131043. The reversal of 13103131032 is 23013130131.

It is a happy number.

13103131032 is a `hidden beast` number, since 1 + 310 + 313 + 10 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13103131032² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13103130996 and 13103131014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90993894 + ... + 90994037.

Almost surely, 2^13103131032 is an apocalyptic number.

13103131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13103131032 is an abundant number, since it is smaller than the sum of its proper divisors (22384515708).

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

13103131032 is a wasteful number, since it uses less digits than its factorization.

13103131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181987943 (or 181987936 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13103131032 its reverse (23013130131), we get a palindrome (36116261163).

Subtracting 13103131032 from its reverse (23013130131), we obtain a palindrome (9909999099).

The spelling of 13103131032 in words is "thirteen billion, one hundred three million, one hundred thirty-one thousand, thirty-two".