31443512644232 has 16 divisors (see below), whose sum is σ = 63491708224140. Its totient is φ = 14512390451136.

The previous prime is 31443512644081. The next prime is 31443512644249. The reversal of 31443512644232 is 23244621534413.

It can be written as a sum of positive squares in 2 ways, for example, as 30817442411716 + 626070232516 = 5551346^2 + 791246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151170733763 + ... + 151170733970.

Almost surely, 2^{31443512644232} is an apocalyptic number.

It is an amenable number.

31443512644232 is an abundant number, since it is smaller than the sum of its proper divisors (32048195579908).

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

31443512644232 is a wasteful number, since it uses less digits than its factorization.

31443512644232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302341467752 (or 302341467748 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

The spelling of 31443512644232 in words is "thirty-one trillion, four hundred forty-three billion, five hundred twelve million, six hundred forty-four thousand, two hundred thirty-two".