312213312233242 has 48 divisors (see below), whose sum is σ = 546309959555520. Its totient is φ = 133430033443392.

The previous prime is 312213312233219. The next prime is 312213312233321. The reversal of 312213312233242 is 242332213312213.

It is a super-3 number, since 3×312213312233242³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312213312233198 and 312213312233207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2476503493 + ... + 2476629559.

It is an arithmetic number, because the mean of its divisors is an integer number (11381457490740).

Almost surely, 2^{312213312233242} is an apocalyptic number.

312213312233242 is a deficient number, since it is larger than the sum of its proper divisors (234096647322278).

312213312233242 is a wasteful number, since it uses less digits than its factorization.

312213312233242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196835 (or 196828 counting only the distinct ones).

The product of its digits is 62208, while the sum is 34.

Adding to 312213312233242 its reverse (242332213312213), we get a palindrome (554545525545455).

The spelling of 312213312233242 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-three thousand, two hundred forty-two".