312421011 has 12 divisors (see below), whose sum is σ = 484571592. Its totient is φ = 178526208.

The previous prime is 312421003. The next prime is 312421027. The reversal of 312421011 is 110124213.

It is not a de Polignac number, because 312421011 - 2³ = 312421003 is a prime.

It is a super-2 number, since 2×312421011² = 195213776228524242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312421001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062510 + ... + 1062803.

It is an arithmetic number, because the mean of its divisors is an integer number (40380966).

Almost surely, 2^312421011 is an apocalyptic number.

312421011 is a deficient number, since it is larger than the sum of its proper divisors (172150581).

312421011 is a wasteful number, since it uses less digits than its factorization.

312421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125330 (or 2125323 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 312421011 is about 17675.4352421659. The cubic root of 312421011 is about 678.5472235619.

Adding to 312421011 its reverse (110124213), we get a palindrome (422545224).

The spelling of 312421011 in words is "three hundred twelve million, four hundred twenty-one thousand, eleven".