312340403043 has 12 divisors (see below), whose sum is σ = 451172863128. Its totient is φ = 208220241600.

The previous prime is 312340403041. The next prime is 312340403057. The reversal of 312340403043 is 340304043213.

312340403043 is a `hidden beast` number, since 3 + 12 + 340 + 4 + 0 + 304 + 3 = 666.

It is not a de Polignac number, because 312340403043 - 2¹ = 312340403041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312340402998 and 312340403016.

It is not an unprimeable number, because it can be changed into a prime (312340403041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253558 + ... + 830043.

It is an arithmetic number, because the mean of its divisors is an integer number (37597738594).

Almost surely, 2^312340403043 is an apocalyptic number.

312340403043 is a deficient number, since it is larger than the sum of its proper divisors (138832460085).

312340403043 is a wasteful number, since it uses less digits than its factorization.

312340403043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115634 (or 1115631 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 312340403043 its reverse (340304043213), we get a palindrome (652644446256).

The spelling of 312340403043 in words is "three hundred twelve billion, three hundred forty million, four hundred three thousand, forty-three".