231113101131233 has 2 divisors, whose sum is σ = 231113101131234. Its totient is φ = 231113101131232.

The previous prime is 231113101131217. The next prime is 231113101131277. The reversal of 231113101131233 is 332131101311132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229411373054224 + 1701728077009 = 15146332^2 + 1304503^2 .

It is a cyclic number.

It is not a de Polignac number, because 231113101131233 - 2⁴ = 231113101131217 is a prime.

It is not a weakly prime, because it can be changed into another prime (231113101131293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115556550565616 + 115556550565617.

It is an arithmetic number, because the mean of its divisors is an integer number (115556550565617).

Almost surely, 2^{231113101131233} is an apocalyptic number.

It is an amenable number.

231113101131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

231113101131233 is an equidigital number, since it uses as much as digits as its factorization.

231113101131233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 231113101131233 its reverse (332131101311132), we get a palindrome (563244202442365).

The spelling of 231113101131233 in words is "two hundred thirty-one trillion, one hundred thirteen billion, one hundred one million, one hundred thirty-one thousand, two hundred thirty-three".