231213102013001 has 2 divisors, whose sum is σ = 231213102013002. Its totient is φ = 231213102013000.

The previous prime is 231213102012943. The next prime is 231213102013007. The reversal of 231213102013001 is 100310201312132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220074703057225 + 11138398955776 = 14834915^2 + 3337424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231213102013001 is a prime.

It is not a weakly prime, because it can be changed into another prime (231213102013007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606551006500 + 115606551006501.

It is an arithmetic number, because the mean of its divisors is an integer number (115606551006501).

Almost surely, 2^{231213102013001} is an apocalyptic number.

It is an amenable number.

231213102013001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231213102013001 is an equidigital number, since it uses as much as digits as its factorization.

231213102013001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231213102013001 its reverse (100310201312132), we get a palindrome (331523303325133).

The spelling of 231213102013001 in words is "two hundred thirty-one trillion, two hundred thirteen billion, one hundred two million, thirteen thousand, one".