31314410644 has 48 divisors (see below), whose sum is σ = 64392007680. Its totient is φ = 13171062240.

The previous prime is 31314410597. The next prime is 31314410681. The reversal of 31314410644 is 44601441313.

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, 399604 + ... + 471499.

It is an arithmetic number, because the mean of its divisors is an integer number (1341500160).

Almost surely, 2^31314410644 is an apocalyptic number.

It is an amenable number.

31314410644 is an abundant number, since it is smaller than the sum of its proper divisors (33077597036).

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

31314410644 is a wasteful number, since it uses less digits than its factorization.

31314410644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871180 (or 871178 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31314410644 its reverse (44601441313), we get a palindrome (75915851957).

The spelling of 31314410644 in words is "thirty-one billion, three hundred fourteen million, four hundred ten thousand, six hundred forty-four".