100626431053 has 4 divisors (see below), whose sum is σ = 102004875388. Its totient is φ = 99247986720.

The previous prime is 100626431051. The next prime is 100626431149. The reversal of 100626431053 is 350134626001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350134626001 = 1381 ⋅253537021.

It can be written as a sum of positive squares in 2 ways, for example, as 86778554724 + 13847876329 = 294582^2 + 117677^2 .

It is a cyclic number.

It is not a de Polignac number, because 100626431053 - 2¹ = 100626431051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100626431051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689222058 + ... + 689222203.

It is an arithmetic number, because the mean of its divisors is an integer number (25501218847).

Almost surely, 2^100626431053 is an apocalyptic number.

It is an amenable number.

100626431053 is a deficient number, since it is larger than the sum of its proper divisors (1378444335).

100626431053 is an equidigital number, since it uses as much as digits as its factorization.

100626431053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378444334.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 100626431053 in words is "one hundred billion, six hundred twenty-six million, four hundred thirty-one thousand, fifty-three".