312196007391 has 16 divisors (see below), whose sum is σ = 441329588064. Its totient is φ = 195628898304.

The previous prime is 312196007377. The next prime is 312196007393. The reversal of 312196007391 is 193700691213.

It is not a de Polignac number, because 312196007391 - 2²⁶ = 312128898527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312196007393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4004650 + ... + 4081863.

It is an arithmetic number, because the mean of its divisors is an integer number (27583099254).

Almost surely, 2^312196007391 is an apocalyptic number.

312196007391 is a deficient number, since it is larger than the sum of its proper divisors (129133580673).

312196007391 is a wasteful number, since it uses less digits than its factorization.

312196007391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087290.

The product of its (nonzero) digits is 61236, while the sum is 42.

The spelling of 312196007391 in words is "three hundred twelve billion, one hundred ninety-six million, seven thousand, three hundred ninety-one".