101330402431 has 4 divisors (see below), whose sum is σ = 101331258264. Its totient is φ = 101329546600.

The previous prime is 101330402401. The next prime is 101330402447. The reversal of 101330402431 is 134204033101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101330402431 - 2³⁵ = 66970664063 is a prime.

It is a super-2 number, since 2×101330402431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101330402401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215005 + ... + 498886.

It is an arithmetic number, because the mean of its divisors is an integer number (25332814566).

Almost surely, 2^101330402431 is an apocalyptic number.

101330402431 is a deficient number, since it is larger than the sum of its proper divisors (855833).

101330402431 is an equidigital number, since it uses as much as digits as its factorization.

101330402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855832.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 101330402431 its reverse (134204033101), we get a palindrome (235534435532).

The spelling of 101330402431 in words is "one hundred one billion, three hundred thirty million, four hundred two thousand, four hundred thirty-one".