311421093192 has 96 divisors (see below), whose sum is σ = 920200582080. Its totient is φ = 94360510080.

The previous prime is 311421093163. The next prime is 311421093197. The reversal of 311421093192 is 291390124113.

It is a happy number.

311421093192 is a `hidden beast` number, since 311 + 4 + 21 + 0 + 9 + 319 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (311421093197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15582118 + ... + 15602090.

It is an arithmetic number, because the mean of its divisors is an integer number (9585422730).

Almost surely, 2^311421093192 is an apocalyptic number.

It is an amenable number.

311421093192 is an abundant number, since it is smaller than the sum of its proper divisors (608779488888).

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

311421093192 is a wasteful number, since it uses less digits than its factorization.

311421093192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39683 (or 39676 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 311421093192 in words is "three hundred eleven billion, four hundred twenty-one million, ninety-three thousand, one hundred ninety-two".