31313144010 has 16 divisors (see below), whose sum is σ = 75151545696. Its totient is φ = 8350171728.

The previous prime is 31313143951. The next prime is 31313144087. The reversal of 31313144010 is 1044131313.

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, 521885704 + ... + 521885763.

It is an arithmetic number, because the mean of its divisors is an integer number (4696971606).

Almost surely, 2^31313144010 is an apocalyptic number.

31313144010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31313144010 is an abundant number, since it is smaller than the sum of its proper divisors (43838401686).

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

31313144010 is a wasteful number, since it uses less digits than its factorization.

31313144010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043771477.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31313144010 its reverse (1044131313), we get a palindrome (32357275323).

The spelling of 31313144010 in words is "thirty-one billion, three hundred thirteen million, one hundred forty-four thousand, ten".