312404121102031 has 8 divisors (see below), whose sum is σ = 361924148126624. Its totient is φ = 264106810794240.

The previous prime is 312404121101971. The next prime is 312404121102043. The reversal of 312404121102031 is 130201121404213.

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

It is a cyclic number.

It is not a de Polignac number, because 312404121102031 - 2⁷ = 312404121101903 is a prime.

It is a super-3 number, since 3×312404121102031³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312404121101987 and 312404121102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312404121102091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305679178650 + ... + 305679179671.

It is an arithmetic number, because the mean of its divisors is an integer number (45240518515828).

Almost surely, 2^{312404121102031} is an apocalyptic number.

312404121102031 is a deficient number, since it is larger than the sum of its proper divisors (49520027024593).

312404121102031 is an equidigital number, since it uses as much as digits as its factorization.

312404121102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611358358401.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 312404121102031 its reverse (130201121404213), we get a palindrome (442605242506244).

The spelling of 312404121102031 in words is "three hundred twelve trillion, four hundred four billion, one hundred twenty-one million, one hundred two thousand, thirty-one".