231262262133 has 64 divisors (see below), whose sum is σ = 383756759040. Its totient is φ = 120920781312.

The previous prime is 231262262113. The next prime is 231262262141. The reversal of 231262262133 is 331262262132.

It is not a de Polignac number, because 231262262133 - 2¹² = 231262258037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231262262094 and 231262262103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231262262113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1965360 + ... + 2079702.

It is an arithmetic number, because the mean of its divisors is an integer number (5996199360).

Almost surely, 2^231262262133 is an apocalyptic number.

It is an amenable number.

231262262133 is a deficient number, since it is larger than the sum of its proper divisors (152494496907).

231262262133 is a wasteful number, since it uses less digits than its factorization.

231262262133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114546.

The product of its digits is 31104, while the sum is 33.

Subtracting 231262262133 from its reverse (331262262132), we obtain a palindrome (99999999999).

The spelling of 231262262133 in words is "two hundred thirty-one billion, two hundred sixty-two million, two hundred sixty-two thousand, one hundred thirty-three".