231133223001 has 16 divisors (see below), whose sum is σ = 308619924480. Its totient is φ = 153867761040.

The previous prime is 231133222939. The next prime is 231133223011. The reversal of 231133223001 is 100322331132.

It is not a de Polignac number, because 231133223001 - 2⁶ = 231133222937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231133223011) 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, 13691596 + ... + 13708466.

It is an arithmetic number, because the mean of its divisors is an integer number (19288745280).

Almost surely, 2^231133223001 is an apocalyptic number.

It is an amenable number.

231133223001 is a deficient number, since it is larger than the sum of its proper divisors (77486701479).

231133223001 is a wasteful number, since it uses less digits than its factorization.

231133223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231133223001 its reverse (100322331132), we get a palindrome (331455554133).

The spelling of 231133223001 in words is "two hundred thirty-one billion, one hundred thirty-three million, two hundred twenty-three thousand, one".