100312443302431 has 2 divisors, whose sum is σ = 100312443302432. Its totient is φ = 100312443302430.

The previous prime is 100312443302413. The next prime is 100312443302497. The reversal of 100312443302431 is 134203344213001.

Together with previous prime (100312443302413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100312443302431 - 2⁵ = 100312443302399 is a prime.

It is a super-2 number, since 2×100312443302431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100312443302393 and 100312443302402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100312443302531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156221651215 + 50156221651216.

It is an arithmetic number, because the mean of its divisors is an integer number (50156221651216).

Almost surely, 2^{100312443302431} is an apocalyptic number.

100312443302431 is a deficient number, since it is larger than the sum of its proper divisors (1).

100312443302431 is an equidigital number, since it uses as much as digits as its factorization.

100312443302431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 100312443302431 its reverse (134203344213001), we get a palindrome (234515787515432).

The spelling of 100312443302431 in words is "one hundred trillion, three hundred twelve billion, four hundred forty-three million, three hundred two thousand, four hundred thirty-one".