31311004010 has 32 divisors (see below), whose sum is σ = 66212923392. Its totient is φ = 10509986880.

The previous prime is 31311004009. The next prime is 31311004013. The reversal of 31311004010 is 1040011313.

It is a super-2 number, since 2×31311004010² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31311004013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10946474 + ... + 10949333.

It is an arithmetic number, because the mean of its divisors is an integer number (2069153856).

Almost surely, 2^31311004010 is an apocalyptic number.

31311004010 is an abundant number, since it is smaller than the sum of its proper divisors (34901919382).

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

31311004010 is a wasteful number, since it uses less digits than its factorization.

31311004010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895838.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31311004010 its reverse (1040011313), we get a palindrome (32351015323).

The spelling of 31311004010 in words is "thirty-one billion, three hundred eleven million, four thousand, ten".