31000131314444 has 6 divisors (see below), whose sum is σ = 54250229800284. Its totient is φ = 15500065657220.

The previous prime is 31000131314377. The next prime is 31000131314459. The reversal of 31000131314444 is 44441313100013.

It is a super-2 number, since 2×31000131314444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3875016414302 + ... + 3875016414309.

It is an arithmetic number, because the mean of its divisors is an integer number (9041704966714).

Almost surely, 2^{31000131314444} is an apocalyptic number.

It is an amenable number.

31000131314444 is a deficient number, since it is larger than the sum of its proper divisors (23250098485840).

31000131314444 is a wasteful number, since it uses less digits than its factorization.

31000131314444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750032828615 (or 7750032828613 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31000131314444 its reverse (44441313100013), we get a palindrome (75441444414457).

The spelling of 31000131314444 in words is "thirty-one trillion, one hundred thirty-one million, three hundred fourteen thousand, four hundred forty-four".