231333140401 has 16 divisors (see below), whose sum is σ = 256301052480. Its totient is φ = 207046082880.

The previous prime is 231333140387. The next prime is 231333140431. The reversal of 231333140401 is 104041333132.

It is a cyclic number.

It is not a de Polignac number, because 231333140401 - 2²³ = 231324751793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231333140431) 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, 426211 + ... + 802696.

It is an arithmetic number, because the mean of its divisors is an integer number (16018815780).

Almost surely, 2^231333140401 is an apocalyptic number.

It is an amenable number.

231333140401 is a deficient number, since it is larger than the sum of its proper divisors (24967912079).

231333140401 is a wasteful number, since it uses less digits than its factorization.

231333140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229184.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231333140401 its reverse (104041333132), we get a palindrome (335374473533).

The spelling of 231333140401 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred forty thousand, four hundred one".