311725053043 has 4 divisors (see below), whose sum is σ = 311727436200. Its totient is φ = 311722669888.

The previous prime is 311725053023. The next prime is 311725053053. The reversal of 311725053043 is 340350527113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311725053043 is a prime.

It is a super-2 number, since 2×311725053043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311725053023) 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, 983230 + ... + 1261027.

It is an arithmetic number, because the mean of its divisors is an integer number (77931859050).

Almost surely, 2^311725053043 is an apocalyptic number.

311725053043 is a deficient number, since it is larger than the sum of its proper divisors (2383157).

311725053043 is a wasteful number, since it uses less digits than its factorization.

311725053043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383156.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 311725053043 in words is "three hundred eleven billion, seven hundred twenty-five million, fifty-three thousand, forty-three".