231313404001 has 2 divisors, whose sum is σ = 231313404002. Its totient is φ = 231313404000.

The previous prime is 231313403999. The next prime is 231313404017. The reversal of 231313404001 is 100404313132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135921992976 + 95391411025 = 368676^2 + 308855^2 .

It is a cyclic number.

It is not a de Polignac number, because 231313404001 - 2¹ = 231313403999 is a prime.

Together with 231313403999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231313404031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656702000 + 115656702001.

It is an arithmetic number, because the mean of its divisors is an integer number (115656702001).

Almost surely, 2^231313404001 is an apocalyptic number.

It is an amenable number.

231313404001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313404001 is an equidigital number, since it uses as much as digits as its factorization.

231313404001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231313404001 its reverse (100404313132), we get a palindrome (331717717133).

The spelling of 231313404001 in words is "two hundred thirty-one billion, three hundred thirteen million, four hundred four thousand, one".