31301310132 has 36 divisors (see below), whose sum is σ = 79177119840. Its totient is φ = 10426601232.

The previous prime is 31301310119. The next prime is 31301310191. The reversal of 31301310132 is 23101310313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245448 + ... + 350495.

It is an arithmetic number, because the mean of its divisors is an integer number (2199364440).

Almost surely, 2^31301310132 is an apocalyptic number.

It is an amenable number.

31301310132 is an abundant number, since it is smaller than the sum of its proper divisors (47875809708).

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

31301310132 is a wasteful number, since it uses less digits than its factorization.

31301310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597412 (or 597407 counting only the distinct ones).

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

Adding to 31301310132 its reverse (23101310313), we get a palindrome (54402620445).

The spelling of 31301310132 in words is "thirty-one billion, three hundred one million, three hundred ten thousand, one hundred thirty-two".