1231301312093 has 2 divisors, whose sum is σ = 1231301312094. Its totient is φ = 1231301312092.

The previous prime is 1231301312081. The next prime is 1231301312183. The reversal of 1231301312093 is 3902131031321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886992890809 + 344308421284 = 941803^2 + 586778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231301312093 - 2⁶ = 1231301312029 is a prime.

It is a super-2 number, since 2×1231301312093² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231301212093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615650656046 + 615650656047.

It is an arithmetic number, because the mean of its divisors is an integer number (615650656047).

Almost surely, 2^{1231301312093} is an apocalyptic number.

It is an amenable number.

1231301312093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231301312093 is an equidigital number, since it uses as much as digits as its factorization.

1231301312093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 1231301312093 in words is "one trillion, two hundred thirty-one billion, three hundred one million, three hundred twelve thousand, ninety-three".