313140781940 has 24 divisors (see below), whose sum is σ = 751537876992. Its totient is φ = 107362553760.

The previous prime is 313140781939. The next prime is 313140781951. The reversal of 313140781940 is 49187041313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118359796 + ... + 1118360075.

It is an arithmetic number, because the mean of its divisors is an integer number (31314078208).

Almost surely, 2^313140781940 is an apocalyptic number.

It is an amenable number.

313140781940 is an abundant number, since it is smaller than the sum of its proper divisors (438397095052).

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

313140781940 is a wasteful number, since it uses less digits than its factorization.

313140781940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236719887 (or 2236719885 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 313140781940 in words is "three hundred thirteen billion, one hundred forty million, seven hundred eighty-one thousand, nine hundred forty".