312157348 has 6 divisors (see below), whose sum is σ = 546275366. Its totient is φ = 156078672.

The previous prime is 312157343. The next prime is 312157379. The reversal of 312157348 is 843751213.

It can be written as a sum of positive squares in only one way, i.e., 272316004 + 39841344 = 16502^2 + 6312^2 .

It is not an unprimeable number, because it can be changed into a prime (312157343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39019665 + ... + 39019672.

Almost surely, 2^312157348 is an apocalyptic number.

It is an amenable number.

312157348 is a deficient number, since it is larger than the sum of its proper divisors (234118018).

312157348 is a wasteful number, since it uses less digits than its factorization.

312157348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78039341 (or 78039339 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 312157348 is about 17667.9752094008. The cubic root of 312157348 is about 678.3562866074.

The spelling of 312157348 in words is "three hundred twelve million, one hundred fifty-seven thousand, three hundred forty-eight".