291313313192 has 16 divisors (see below), whose sum is σ = 595868140800. Its totient is φ = 132415142320.

The previous prime is 291313313173. The next prime is 291313313279.

291313313192 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655189192 + ... + 1655189367.

It is an arithmetic number, because the mean of its divisors is an integer number (37241758800).

Almost surely, 2^291313313192 is an apocalyptic number.

291313313192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

291313313192 is an abundant number, since it is smaller than the sum of its proper divisors (304554827608).

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

291313313192 is a wasteful number, since it uses less digits than its factorization.

291313313192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310378576 (or 3310378572 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The spelling of 291313313192 in words is "two hundred ninety-one billion, three hundred thirteen million, three hundred thirteen thousand, one hundred ninety-two".