31133020401144 has 64 divisors (see below), whose sum is σ = 87336855972000. Its totient is φ = 10274924217600.

The previous prime is 31133020401113. The next prime is 31133020401167. The reversal of 31133020401144 is 44110402033113.

31133020401144 is a `hidden beast` number, since 3 + 11 + 330 + 204 + 0 + 114 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713514589 + ... + 713558220.

Almost surely, 2^{31133020401144} is an apocalyptic number.

It is an amenable number.

31133020401144 is an abundant number, since it is smaller than the sum of its proper divisors (56203835570856).

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

31133020401144 is a wasteful number, since it uses less digits than its factorization.

31133020401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427072925 (or 1427072915 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 31133020401144 its reverse (44110402033113), we get a palindrome (75243422434257).

The spelling of 31133020401144 in words is "thirty-one trillion, one hundred thirty-three billion, twenty million, four hundred one thousand, one hundred forty-four".