312793429 has 4 divisors (see below), whose sum is σ = 336854476. Its totient is φ = 288732384.

The previous prime is 312793427. The next prime is 312793477. The reversal of 312793429 is 924397213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924397213 = 769 ⋅1202077.

It can be written as a sum of positive squares in 2 ways, for example, as 179506404 + 133287025 = 13398^2 + 11545^2 .

It is a cyclic number.

It is not a de Polignac number, because 312793429 - 2¹ = 312793427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312793391 and 312793400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312793423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12030504 + ... + 12030529.

It is an arithmetic number, because the mean of its divisors is an integer number (84213619).

Almost surely, 2^312793429 is an apocalyptic number.

It is an amenable number.

312793429 is a deficient number, since it is larger than the sum of its proper divisors (24061047).

312793429 is a wasteful number, since it uses less digits than its factorization.

312793429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24061046.

The product of its digits is 81648, while the sum is 40.

The square root of 312793429 is about 17685.9670077720. The cubic root of 312793429 is about 678.8167347309.

The spelling of 312793429 in words is "three hundred twelve million, seven hundred ninety-three thousand, four hundred twenty-nine".