3151222013 has 4 divisors (see below), whose sum is σ = 3252874368. Its totient is φ = 3049569660.

The previous prime is 3151222003. The next prime is 3151222027. The reversal of 3151222013 is 3102221513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3151222013 - 2¹² = 3151217917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151222003) 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, 50826131 + ... + 50826192.

It is an arithmetic number, because the mean of its divisors is an integer number (813218592).

Almost surely, 2^3151222013 is an apocalyptic number.

It is an amenable number.

3151222013 is a deficient number, since it is larger than the sum of its proper divisors (101652355).

3151222013 is a wasteful number, since it uses less digits than its factorization.

3151222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101652354.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3151222013 is about 56135.7463030465. The cubic root of 3151222013 is about 1466.0867447354.

Adding to 3151222013 its reverse (3102221513), we get a palindrome (6253443526).

The spelling of 3151222013 in words is "three billion, one hundred fifty-one million, two hundred twenty-two thousand, thirteen".