231122235045 has 16 divisors (see below), whose sum is σ = 398241389952. Its totient is φ = 113783254080.

The previous prime is 231122235023. The next prime is 231122235107. The reversal of 231122235045 is 540532221132.

It is not a de Polignac number, because 231122235045 - 2⁹ = 231122234533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592620921 + ... + 592621310.

It is an arithmetic number, because the mean of its divisors is an integer number (24890086872).

Almost surely, 2^231122235045 is an apocalyptic number.

It is an amenable number.

231122235045 is a deficient number, since it is larger than the sum of its proper divisors (167119154907).

231122235045 is a wasteful number, since it uses less digits than its factorization.

231122235045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185242252.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 231122235045 its reverse (540532221132), we get a palindrome (771654456177).

The spelling of 231122235045 in words is "two hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-five thousand, forty-five".