312403340431003 has 2 divisors, whose sum is σ = 312403340431004. Its totient is φ = 312403340431002.

The previous prime is 312403340430997. The next prime is 312403340431037. The reversal of 312403340431003 is 300134043304213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312403340431003 is a prime.

It is a super-2 number, since 2×312403340431003² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312403340431073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156201670215501 + 156201670215502.

It is an arithmetic number, because the mean of its divisors is an integer number (156201670215502).

Almost surely, 2^{312403340431003} is an apocalyptic number.

312403340431003 is a deficient number, since it is larger than the sum of its proper divisors (1).

312403340431003 is an equidigital number, since it uses as much as digits as its factorization.

312403340431003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 312403340431003 its reverse (300134043304213), we get a palindrome (612537383735216).

The spelling of 312403340431003 in words is "three hundred twelve trillion, four hundred three billion, three hundred forty million, four hundred thirty-one thousand, three".