31142110432 has 24 divisors (see below), whose sum is σ = 61504460136. Its totient is φ = 15521930112.

The previous prime is 31142110421. The next prime is 31142110451. The reversal of 31142110432 is 23401124113.

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, 1524858 + ... + 1545145.

It is an arithmetic number, because the mean of its divisors is an integer number (2562685839).

Almost surely, 2^31142110432 is an apocalyptic number.

31142110432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31142110432 is a deficient number, since it is larger than the sum of its proper divisors (30362349704).

31142110432 is a wasteful number, since it uses less digits than its factorization.

31142110432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070330 (or 3070322 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31142110432 its reverse (23401124113), we get a palindrome (54543234545).

The spelling of 31142110432 in words is "thirty-one billion, one hundred forty-two million, one hundred ten thousand, four hundred thirty-two".