312401043 has 48 divisors (see below), whose sum is σ = 488656896. Its totient is φ = 199221120.

The previous prime is 312401039. The next prime is 312401053. The reversal of 312401043 is 340104213.

It is not a de Polignac number, because 312401043 - 2² = 312401039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312401053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 851046 + ... + 851412.

It is an arithmetic number, because the mean of its divisors is an integer number (10180352).

Almost surely, 2^312401043 is an apocalyptic number.

312401043 is a deficient number, since it is larger than the sum of its proper divisors (176255853).

312401043 is a wasteful number, since it uses less digits than its factorization.

312401043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312401043 is about 17674.8703814201. The cubic root of 312401043 is about 678.5327670869.

Adding to 312401043 its reverse (340104213), we get a palindrome (652505256).

The spelling of 312401043 in words is "three hundred twelve million, four hundred one thousand, forty-three".