312403034001031 has 2 divisors, whose sum is σ = 312403034001032. Its totient is φ = 312403034001030.

The previous prime is 312403034001007. The next prime is 312403034001061. The reversal of 312403034001031 is 130100430304213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312403034001031 - 2¹³ = 312403033992839 is a prime.

It is a super-2 number, since 2×312403034001031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312403034000987 and 312403034001005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312403034001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156201517000515 + 156201517000516.

It is an arithmetic number, because the mean of its divisors is an integer number (156201517000516).

Almost surely, 2^{312403034001031} is an apocalyptic number.

312403034001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

312403034001031 is an equidigital number, since it uses as much as digits as its factorization.

312403034001031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312403034001031 its reverse (130100430304213), we get a palindrome (442503464305244).

The spelling of 312403034001031 in words is "three hundred twelve trillion, four hundred three billion, thirty-four million, one thousand, thirty-one".