31444400132232 has 32 divisors (see below), whose sum is σ = 78611939016000. Its totient is φ = 10481341552704.

The previous prime is 31444400132227. The next prime is 31444400132261. The reversal of 31444400132232 is 23223100444413.

It is a junction number, because it is equal to n+sod(n) for n = 31444400132193 and 31444400132202.

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, 5759503 + ... + 9801054.

It is an arithmetic number, because the mean of its divisors is an integer number (2456623094250).

Almost surely, 2^{31444400132232} is an apocalyptic number.

It is an amenable number.

31444400132232 is an abundant number, since it is smaller than the sum of its proper divisors (47167538883768).

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

31444400132232 is a wasteful number, since it uses less digits than its factorization.

31444400132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644765 (or 15644761 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31444400132232 its reverse (23223100444413), we get a palindrome (54667500576645).

The spelling of 31444400132232 in words is "thirty-one trillion, four hundred forty-four billion, four hundred million, one hundred thirty-two thousand, two hundred thirty-two".