312241431 has 8 divisors (see below), whose sum is σ = 440811504. Its totient is φ = 195916160.

The previous prime is 312241427. The next prime is 312241441. The reversal of 312241431 is 134142213.

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

It is not a de Polignac number, because 312241431 - 2² = 312241427 is a prime.

It is a super-2 number, since 2×312241431² = 194989422465855522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312241398 and 312241407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312241441) 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, 3061140 + ... + 3061241.

It is an arithmetic number, because the mean of its divisors is an integer number (55101438).

Almost surely, 2^312241431 is an apocalyptic number.

312241431 is a deficient number, since it is larger than the sum of its proper divisors (128570073).

312241431 is a wasteful number, since it uses less digits than its factorization.

312241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122401.

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

The square root of 312241431 is about 17670.3545804831. The cubic root of 312241431 is about 678.4171887043.

Adding to 312241431 its reverse (134142213), we get a palindrome (446383644).

The spelling of 312241431 in words is "three hundred twelve million, two hundred forty-one thousand, four hundred thirty-one".