313123402140 has 96 divisors (see below), whose sum is σ = 927722557440. Its totient is φ = 78690643200.

The previous prime is 313123402139. The next prime is 313123402153. The reversal of 313123402140 is 41204321313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313123402140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501291 + ... + 936770.

It is an arithmetic number, because the mean of its divisors is an integer number (9663776640).

Almost surely, 2^313123402140 is an apocalyptic number.

313123402140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313123402140 is an abundant number, since it is smaller than the sum of its proper divisors (614599155300).

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

313123402140 is a wasteful number, since it uses less digits than its factorization.

313123402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438283 (or 1438281 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 313123402140 its reverse (41204321313), we get a palindrome (354327723453).

The spelling of 313123402140 in words is "three hundred thirteen billion, one hundred twenty-three million, four hundred two thousand, one hundred forty".