231115521030433 has 16 divisors (see below), whose sum is σ = 265430371530240. Its totient is φ = 199343625912576.

The previous prime is 231115521030431. The next prime is 231115521030497. The reversal of 231115521030433 is 334030125511132.

It is a cyclic number.

It is not a de Polignac number, because 231115521030433 - 2¹ = 231115521030431 is a prime.

It is a super-2 number, since 2×231115521030433² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231115521030431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3761737585 + ... + 3761799022.

It is an arithmetic number, because the mean of its divisors is an integer number (16589398220640).

Almost surely, 2^{231115521030433} is an apocalyptic number.

It is an amenable number.

231115521030433 is a deficient number, since it is larger than the sum of its proper divisors (34314850499807).

231115521030433 is a wasteful number, since it uses less digits than its factorization.

231115521030433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523536776.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 231115521030433 its reverse (334030125511132), we get a palindrome (565145646541565).

The spelling of 231115521030433 in words is "two hundred thirty-one trillion, one hundred fifteen billion, five hundred twenty-one million, thirty thousand, four hundred thirty-three".