31002046132 has 12 divisors (see below), whose sum is σ = 54347611780. Its totient is φ = 15474157056.

The previous prime is 31002046129. The next prime is 31002046177. The reversal of 31002046132 is 23164020013.

It can be written as a sum of positive squares in 2 ways, for example, as 14432177956 + 16569868176 = 120134^2 + 128724^2 .

It is a super-2 number, since 2×31002046132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6713907 + ... + 6718522.

Almost surely, 2^31002046132 is an apocalyptic number.

It is an amenable number.

31002046132 is a deficient number, since it is larger than the sum of its proper divisors (23345565648).

31002046132 is a wasteful number, since it uses less digits than its factorization.

31002046132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433010 (or 13433008 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31002046132 its reverse (23164020013), we get a palindrome (54166066145).

The spelling of 31002046132 in words is "thirty-one billion, two million, forty-six thousand, one hundred thirty-two".