231314123501 has 2 divisors, whose sum is σ = 231314123502. Its totient is φ = 231314123500.

The previous prime is 231314123353. The next prime is 231314123539. The reversal of 231314123501 is 105321413132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209425216900 + 21888906601 = 457630^2 + 147949^2 .

It is a cyclic number.

It is not a de Polignac number, because 231314123501 - 2¹⁸ = 231313861357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231314123591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115657061750 + 115657061751.

It is an arithmetic number, because the mean of its divisors is an integer number (115657061751).

Almost surely, 2^231314123501 is an apocalyptic number.

It is an amenable number.

231314123501 is a deficient number, since it is larger than the sum of its proper divisors (1).

231314123501 is an equidigital number, since it uses as much as digits as its factorization.

231314123501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 231314123501 its reverse (105321413132), we get a palindrome (336635536633).

The spelling of 231314123501 in words is "two hundred thirty-one billion, three hundred fourteen million, one hundred twenty-three thousand, five hundred one".