311945707046 has 4 divisors (see below), whose sum is σ = 467918560572. Its totient is φ = 155972853522.

The previous prime is 311945707037. The next prime is 311945707091. The reversal of 311945707046 is 640707549113.

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

It is a super-2 number, since 2×311945707046² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77986426760 + ... + 77986426763.

It is an arithmetic number, because the mean of its divisors is an integer number (116979640143).

Almost surely, 2^311945707046 is an apocalyptic number.

311945707046 is a deficient number, since it is larger than the sum of its proper divisors (155972853526).

311945707046 is a wasteful number, since it uses less digits than its factorization.

311945707046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155972853525.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 311945707046 in words is "three hundred eleven billion, nine hundred forty-five million, seven hundred seven thousand, forty-six".