312412431 has 8 divisors (see below), whose sum is σ = 425412864. Its totient is φ = 203843480.

The previous prime is 312412403. The next prime is 312412433. The reversal of 312412431 is 134214213.

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 312412431 - 2⁶ = 312412367 is a prime.

It is a super-2 number, since 2×312412431² = 195203054086659522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312412398 and 312412407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412433) 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, 1107705 + ... + 1107986.

It is an arithmetic number, because the mean of its divisors is an integer number (53176608).

Almost surely, 2^312412431 is an apocalyptic number.

312412431 is a deficient number, since it is larger than the sum of its proper divisors (113000433).

312412431 is a wasteful number, since it uses less digits than its factorization.

312412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215741.

The product of its digits is 576, while the sum is 21.

The square root of 312412431 is about 17675.1925307760. The cubic root of 312412431 is about 678.5410118707.

Adding to 312412431 its reverse (134214213), we get a palindrome (446626644).

The spelling of 312412431 in words is "three hundred twelve million, four hundred twelve thousand, four hundred thirty-one".