31003230132 has 72 divisors (see below), whose sum is σ = 89598565056. Its totient is φ = 8854735104.

The previous prime is 31003230127. The next prime is 31003230133. The reversal of 31003230132 is 23103230013.

31003230132 is a `hidden beast` number, since 310 + 0 + 323 + 0 + 1 + 32 = 666.

It is a super-2 number, since 2×31003230132² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003230133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692203 + ... + 735629.

Almost surely, 2^31003230132 is an apocalyptic number.

It is an amenable number.

31003230132 is an abundant number, since it is smaller than the sum of its proper divisors (58595334924).

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

31003230132 is a wasteful number, since it uses less digits than its factorization.

31003230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46277 (or 46272 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31003230132 its reverse (23103230013), we get a palindrome (54106460145).

The spelling of 31003230132 in words is "thirty-one billion, three million, two hundred thirty thousand, one hundred thirty-two".