31321134344 has 8 divisors (see below), whose sum is σ = 58727126910. Its totient is φ = 15660567168.

The previous prime is 31321134293. The next prime is 31321134371. The reversal of 31321134344 is 44343112313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18080029444 + 13241104900 = 134462^2 + 115070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957570889 + ... + 1957570904.

Almost surely, 2^31321134344 is an apocalyptic number.

It is an amenable number.

31321134344 is a deficient number, since it is larger than the sum of its proper divisors (27405992566).

31321134344 is a wasteful number, since it uses less digits than its factorization.

31321134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915141799 (or 3915141795 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 31321134344 its reverse (44343112313), we get a palindrome (75664246657).

The spelling of 31321134344 in words is "thirty-one billion, three hundred twenty-one million, one hundred thirty-four thousand, three hundred forty-four".