311072396745 has 64 divisors (see below), whose sum is σ = 566718695424. Its totient is φ = 144227550720.

The previous prime is 311072396711. The next prime is 311072396813. The reversal of 311072396745 is 547693270113.

It is a happy number.

It is not a de Polignac number, because 311072396745 - 2⁷ = 311072396617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311072396694 and 311072396703.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18727614 + ... + 18744216.

It is an arithmetic number, because the mean of its divisors is an integer number (8854979616).

Almost surely, 2^311072396745 is an apocalyptic number.

It is an amenable number.

311072396745 is a deficient number, since it is larger than the sum of its proper divisors (255646298679).

311072396745 is a wasteful number, since it uses less digits than its factorization.

311072396745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 311072396745 in words is "three hundred eleven billion, seventy-two million, three hundred ninety-six thousand, seven hundred forty-five".