31443255234414 has 64 divisors (see below), whose sum is σ = 71941483817280. Its totient is φ = 10173542883840.

The previous prime is 31443255234401. The next prime is 31443255234421. The reversal of 31443255234414 is 41443255234413.

It is a happy number.

31443255234414 is a `hidden beast` number, since 3 + 1 + 4 + 43 + 2 + 552 + 3 + 44 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31443255234414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35609559 + ... + 36481874.

It is an arithmetic number, because the mean of its divisors is an integer number (1124085684645).

Almost surely, 2^{31443255234414} is an apocalyptic number.

31443255234414 is an abundant number, since it is smaller than the sum of its proper divisors (40498228582866).

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

31443255234414 is a wasteful number, since it uses less digits than its factorization.

31443255234414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72091682 (or 72091676 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

Subtracting 31443255234414 from its reverse (41443255234413), we obtain a palindrome (9999999999999).

The spelling of 31443255234414 in words is "thirty-one trillion, four hundred forty-three billion, two hundred fifty-five million, two hundred thirty-four thousand, four hundred fourteen".