312403407434 has 4 divisors (see below), whose sum is σ = 468605111154. Its totient is φ = 156201703716.

The previous prime is 312403407427. The next prime is 312403407487. The reversal of 312403407434 is 434704304213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 311559330625 + 844076809 = 558175^2 + 29053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312403407394 and 312403407403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78100851857 + ... + 78100851860.

Almost surely, 2^312403407434 is an apocalyptic number.

312403407434 is a deficient number, since it is larger than the sum of its proper divisors (156201703720).

312403407434 is a wasteful number, since it uses less digits than its factorization.

312403407434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156201703719.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 312403407434 in words is "three hundred twelve billion, four hundred three million, four hundred seven thousand, four hundred thirty-four".