31030144032 has 48 divisors (see below), whose sum is σ = 81465924960. Its totient is φ = 10341883392.

The previous prime is 31030144027. The next prime is 31030144069. The reversal of 31030144032 is 23044103013.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789028 + ... + 827420.

It is an arithmetic number, because the mean of its divisors is an integer number (1697206770).

Almost surely, 2^31030144032 is an apocalyptic number.

31030144032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31030144032 is an abundant number, since it is smaller than the sum of its proper divisors (50435780928).

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

31030144032 is a wasteful number, since it uses less digits than its factorization.

31030144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46825 (or 46817 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31030144032 its reverse (23044103013), we get a palindrome (54074247045).

The spelling of 31030144032 in words is "thirty-one billion, thirty million, one hundred forty-four thousand, thirty-two".