312387107797441 has 4 divisors (see below), whose sum is σ = 312459102986800. Its totient is φ = 312315112608084.

The previous prime is 312387107797393. The next prime is 312387107797451. The reversal of 312387107797441 is 144797701783213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312387107797441 is a prime.

It is a super-2 number, since 2×312387107797441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312387107797451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35997588171 + ... + 35997596848.

It is an arithmetic number, because the mean of its divisors is an integer number (78114775746700).

Almost surely, 2^{312387107797441} is an apocalyptic number.

It is an amenable number.

312387107797441 is a deficient number, since it is larger than the sum of its proper divisors (71995189359).

312387107797441 is an equidigital number, since it uses as much as digits as its factorization.

312387107797441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71995189358.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 312387107797441 in words is "three hundred twelve trillion, three hundred eighty-seven billion, one hundred seven million, seven hundred ninety-seven thousand, four hundred forty-one".