310040012 has 12 divisors (see below), whose sum is σ = 554114400. Its totient is φ = 151721616.

The previous prime is 310040011. The next prime is 310040041. The reversal of 310040012 is 210040013.

It is a happy number.

It is a super-2 number, since 2×310040012² = 192249618081920288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310039975 and 310040002.

It is not an unprimeable number, because it can be changed into a prime (310040011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824387 + ... + 824762.

It is an arithmetic number, because the mean of its divisors is an integer number (46176200).

Almost surely, 2^310040012 is an apocalyptic number.

It is an amenable number.

310040012 is a deficient number, since it is larger than the sum of its proper divisors (244074388).

310040012 is a wasteful number, since it uses less digits than its factorization.

310040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649200 (or 1649198 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 310040012 is about 17607.9530894423. The cubic root of 310040012 is about 676.8190619358.

Adding to 310040012 its reverse (210040013), we get a palindrome (520080025).

Subtracting from 310040012 its reverse (210040013), we obtain a palindrome (99999999).

The spelling of 310040012 in words is "three hundred ten million, forty thousand, twelve".