312431011 has 8 divisors (see below), whose sum is σ = 326730240. Its totient is φ = 298191432.

The previous prime is 312430973. The next prime is 312431039. The reversal of 312431011 is 110134213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312431011 - 2⁹ = 312430499 is a prime.

It is a super-2 number, since 2×312431011² = 195226273268964242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312431411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4021 + ... + 25318.

It is an arithmetic number, because the mean of its divisors is an integer number (40841280).

Almost surely, 2^312431011 is an apocalyptic number.

312431011 is a deficient number, since it is larger than the sum of its proper divisors (14299229).

312431011 is a wasteful number, since it uses less digits than its factorization.

312431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29825.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 312431011 is about 17675.7181183679. The cubic root of 312431011 is about 678.5544631516.

Adding to 312431011 its reverse (110134213), we get a palindrome (422565224).

The spelling of 312431011 in words is "three hundred twelve million, four hundred thirty-one thousand, eleven".