233113021123031 has 4 divisors (see below), whose sum is σ = 266414881283472. Its totient is φ = 199811160962592.

The previous prime is 233113021123019. The next prime is 233113021123033. The reversal of 233113021123031 is 130321120311332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233113021123031 is a prime.

It is a super-2 number, since 2×233113021123031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233113021123033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16650930080210 + ... + 16650930080223.

It is an arithmetic number, because the mean of its divisors is an integer number (66603720320868).

Almost surely, 2^{233113021123031} is an apocalyptic number.

233113021123031 is a deficient number, since it is larger than the sum of its proper divisors (33301860160441).

233113021123031 is an equidigital number, since it uses as much as digits as its factorization.

233113021123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33301860160440.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 233113021123031 its reverse (130321120311332), we get a palindrome (363434141434363).

The spelling of 233113021123031 in words is "two hundred thirty-three trillion, one hundred thirteen billion, twenty-one million, one hundred twenty-three thousand, thirty-one".