231111133322001 has 16 divisors (see below), whose sum is σ = 326275836004224. Its totient is φ = 145010331696384.

The previous prime is 231111133321951. The next prime is 231111133322009. The reversal of 231111133322001 is 100223331111132.

It is not a de Polignac number, because 231111133322001 - 2¹⁷ = 231111133190929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231111133322009) 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, 4172100 + ... + 21900426.

It is an arithmetic number, because the mean of its divisors is an integer number (20392239750264).

Almost surely, 2^{231111133322001} is an apocalyptic number.

It is an amenable number.

231111133322001 is a deficient number, since it is larger than the sum of its proper divisors (95164702682223).

231111133322001 is a wasteful number, since it uses less digits than its factorization.

231111133322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17983960.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 231111133322001 its reverse (100223331111132), we get a palindrome (331334464433133).

The spelling of 231111133322001 in words is "two hundred thirty-one trillion, one hundred eleven billion, one hundred thirty-three million, three hundred twenty-two thousand, one".