31400313234 has 8 divisors (see below), whose sum is σ = 62800626480. Its totient is φ = 10466771076.

The previous prime is 31400313229. The next prime is 31400313251. The reversal of 31400313234 is 43231300413.

It is a sphenic number, since it is the product of 3 distinct primes.

31400313234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616692764 + ... + 2616692775.

It is an arithmetic number, because the mean of its divisors is an integer number (7850078310).

Almost surely, 2^31400313234 is an apocalyptic number.

31400313234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31400313234 is a wasteful number, since it uses less digits than its factorization.

31400313234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233385544.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31400313234 its reverse (43231300413), we get a palindrome (74631613647).

The spelling of 31400313234 in words is "thirty-one billion, four hundred million, three hundred thirteen thousand, two hundred thirty-four".