31440400314 has 16 divisors (see below), whose sum is σ = 63244275552. Its totient is φ = 10419554288.

The previous prime is 31440400307. The next prime is 31440400331. The reversal of 31440400314 is 41300404413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15143664 + ... + 15145739.

It is an arithmetic number, because the mean of its divisors is an integer number (3952767222).

Almost surely, 2^31440400314 is an apocalyptic number.

31440400314 is an abundant number, since it is smaller than the sum of its proper divisors (31803875238).

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

31440400314 is a wasteful number, since it uses less digits than its factorization.

31440400314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30289581.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31440400314 its reverse (41300404413), we get a palindrome (72740804727).

The spelling of 31440400314 in words is "thirty-one billion, four hundred forty million, four hundred thousand, three hundred fourteen".