10231412981 has 2 divisors, whose sum is σ = 10231412982. Its totient is φ = 10231412980.

The previous prime is 10231412953. The next prime is 10231412987. The reversal of 10231412981 is 18921413201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9352824100 + 878588881 = 96710^2 + 29641^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231412981 - 2¹⁴ = 10231396597 is a prime.

It is a super-2 number, since 2×10231412981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231412987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115706490 + 5115706491.

It is an arithmetic number, because the mean of its divisors is an integer number (5115706491).

Almost surely, 2^10231412981 is an apocalyptic number.

It is an amenable number.

10231412981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231412981 is an equidigital number, since it uses as much as digits as its factorization.

10231412981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 10231412981 in words is "ten billion, two hundred thirty-one million, four hundred twelve thousand, nine hundred eighty-one".