23031313152242 has 16 divisors (see below), whose sum is σ = 34865903476800. Its totient is φ = 11409357381840.

The previous prime is 23031313152191. The next prime is 23031313152299. The reversal of 23031313152242 is 24225131313032.

It is a junction number, because it is equal to n+sod(n) for n = 23031313152199 and 23031313152208.

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, 827267 + ... + 6837177.

It is an arithmetic number, because the mean of its divisors is an integer number (2179118967300).

Almost surely, 2^{23031313152242} is an apocalyptic number.

23031313152242 is a deficient number, since it is larger than the sum of its proper divisors (11834590324558).

23031313152242 is a wasteful number, since it uses less digits than its factorization.

23031313152242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027601.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 23031313152242 its reverse (24225131313032), we get a palindrome (47256444465274).

The spelling of 23031313152242 in words is "twenty-three trillion, thirty-one billion, three hundred thirteen million, one hundred fifty-two thousand, two hundred forty-two".