100103264881 has 3 divisors (see below), whose sum is σ = 100103581273. Its totient is φ = 100102948490.

The previous prime is 100103264813. The next prime is 100103264951. The reversal of 100103264881 is 188462301001.

The square root of 100103264881 is 316391.

It is a perfect power (a square), and thus also a powerful number.

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 not a de Polignac number, because 100103264881 - 2⁷ = 100103264753 is a prime.

It is a super-2 number, since 2×100103264881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100103264801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158196 + ... + 474586.

Almost surely, 2^100103264881 is an apocalyptic number.

100103264881 is the 316391-st square number.

100103264881 is the 158196-th centered octagonal number.

It is an amenable number.

100103264881 is a deficient number, since it is larger than the sum of its proper divisors (316392).

100103264881 is an frugal number, since it uses more digits than its factorization.

100103264881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632782 (or 316391 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Multiplying 100103264881 by its product of nonzero digits (9216), we get a square (922551689143296 = 30373536²).

Adding to 100103264881 its reverse (188462301001), we get a palindrome (288565565882).

The spelling of 100103264881 in words is "one hundred billion, one hundred three million, two hundred sixty-four thousand, eight hundred eighty-one".