313000232240 has 40 divisors (see below), whose sum is σ = 727748816928. Its totient is φ = 125196088320.

The previous prime is 313000232201. The next prime is 313000232243. The reversal of 313000232240 is 42232000313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (313000232243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4840925 + ... + 4905155.

Almost surely, 2^313000232240 is an apocalyptic number.

It is an amenable number.

313000232240 is an abundant number, since it is smaller than the sum of its proper divisors (414748584688).

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

313000232240 is a wasteful number, since it uses less digits than its factorization.

313000232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125157 (or 125151 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 313000232240 its reverse (42232000313), we get a palindrome (355232232553).

The spelling of 313000232240 in words is "three hundred thirteen billion, two hundred thirty-two thousand, two hundred forty".