3123312242 has 16 divisors (see below), whose sum is σ = 4751827200. Its totient is φ = 1539432960.

The previous prime is 3123312239. The next prime is 3123312263. The reversal of 3123312242 is 2422133213.

It is a super-2 number, since 2×3123312242² = 19510158722054133128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85859 + ... + 116697.

It is an arithmetic number, because the mean of its divisors is an integer number (296989200).

Almost surely, 2^3123312242 is an apocalyptic number.

3123312242 is a deficient number, since it is larger than the sum of its proper divisors (1628514958).

3123312242 is a wasteful number, since it uses less digits than its factorization.

3123312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31561.

The product of its digits is 1728, while the sum is 23.

The square root of 3123312242 is about 55886.6016322338. The cubic root of 3123312242 is about 1461.7456198777.

Adding to 3123312242 its reverse (2422133213), we get a palindrome (5545445455).

The spelling of 3123312242 in words is "three billion, one hundred twenty-three million, three hundred twelve thousand, two hundred forty-two".