312402165340451 has 6 divisors (see below), whose sum is σ = 331859739652620. Its totient is φ = 294025567378976.

The previous prime is 312402165340439. The next prime is 312402165340471. The reversal of 312402165340451 is 154043561204213.

It is a de Polignac number, because none of the positive numbers 2^k-312402165340451 is a prime.

It is a super-2 number, since 2×312402165340451² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312402165340399 and 312402165340408.

It is not an unprimeable number, because it can be changed into a prime (312402165340471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540488175041 + ... + 540488175618.

It is an arithmetic number, because the mean of its divisors is an integer number (55309956608770).

Almost surely, 2^{312402165340451} is an apocalyptic number.

312402165340451 is a deficient number, since it is larger than the sum of its proper divisors (19457574312169).

312402165340451 is a wasteful number, since it uses less digits than its factorization.

312402165340451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080976350693 (or 1080976350676 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 312402165340451 in words is "three hundred twelve trillion, four hundred two billion, one hundred sixty-five million, three hundred forty thousand, four hundred fifty-one".