231001213103 has 2 divisors, whose sum is σ = 231001213104. Its totient is φ = 231001213102.

The previous prime is 231001213043. The next prime is 231001213133. The reversal of 231001213103 is 301312100132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231001213103 - 2¹⁸ = 231000950959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231001213133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500606551 + 115500606552.

It is an arithmetic number, because the mean of its divisors is an integer number (115500606552).

Almost surely, 2^231001213103 is an apocalyptic number.

231001213103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231001213103 is an equidigital number, since it uses as much as digits as its factorization.

231001213103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 231001213103 its reverse (301312100132), we get a palindrome (532313313235).

The spelling of 231001213103 in words is "two hundred thirty-one billion, one million, two hundred thirteen thousand, one hundred three".