312132311269494 has 8 divisors (see below), whose sum is σ = 624264622539000. Its totient is φ = 104044103756496.

The previous prime is 312132311269487. The next prime is 312132311269507. The reversal of 312132311269494 is 494962113231213.

It is a sphenic number, since it is the product of 3 distinct primes.

312132311269494 is an admirable number.

It is a super-2 number, since 2×312132311269494² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26011025939119 + ... + 26011025939130.

It is an arithmetic number, because the mean of its divisors is an integer number (78033077817375).

Almost surely, 2^{312132311269494} is an apocalyptic number.

312132311269494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312132311269494 is a wasteful number, since it uses less digits than its factorization.

312132311269494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52022051878254.

The product of its digits is 1679616, while the sum is 51.

The spelling of 312132311269494 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, two hundred sixty-nine thousand, four hundred ninety-four".