312550002011 has 4 divisors (see below), whose sum is σ = 336592309872. Its totient is φ = 288507694152.

The previous prime is 312550001989. The next prime is 312550002019. The reversal of 312550002011 is 110200055213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312550002011 is a prime.

It is a super-2 number, since 2×312550002011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312550002019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12021153911 + ... + 12021153936.

It is an arithmetic number, because the mean of its divisors is an integer number (84148077468).

Almost surely, 2^312550002011 is an apocalyptic number.

312550002011 is a deficient number, since it is larger than the sum of its proper divisors (24042307861).

312550002011 is a wasteful number, since it uses less digits than its factorization.

312550002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24042307860.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 312550002011 its reverse (110200055213), we get a palindrome (422750057224).

The spelling of 312550002011 in words is "three hundred twelve billion, five hundred fifty million, two thousand, eleven".