31344551442344 has 64 divisors (see below), whose sum is σ = 68016605429760. Its totient is φ = 13264439912640.

The previous prime is 31344551442329. The next prime is 31344551442437. The reversal of 31344551442344 is 44324415544313.

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, 8943152 + ... + 11944415.

It is an arithmetic number, because the mean of its divisors is an integer number (1062759459840).

Almost surely, 2^{31344551442344} is an apocalyptic number.

It is an amenable number.

31344551442344 is an abundant number, since it is smaller than the sum of its proper divisors (36672053987416).

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

31344551442344 is a wasteful number, since it uses less digits than its factorization.

31344551442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887918 (or 20887914 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 47.

Adding to 31344551442344 its reverse (44324415544313), we get a palindrome (75668966986657).

The spelling of 31344551442344 in words is "thirty-one trillion, three hundred forty-four billion, five hundred fifty-one million, four hundred forty-two thousand, three hundred forty-four".