100122031331 has 16 divisors (see below), whose sum is σ = 123517440000. Its totient is φ = 79257016608.

The previous prime is 100122031327. The next prime is 100122031349. The reversal of 100122031331 is 133130221001.

It is not a de Polignac number, because 100122031331 - 2² = 100122031327 is a prime.

It is a super-2 number, since 2×100122031331² (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 (100122031351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10717331 + ... + 10726668.

It is an arithmetic number, because the mean of its divisors is an integer number (7719840000).

Almost surely, 2^100122031331 is an apocalyptic number.

100122031331 is a deficient number, since it is larger than the sum of its proper divisors (23395408669).

100122031331 is a wasteful number, since it uses less digits than its factorization.

100122031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21444058.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100122031331 its reverse (133130221001), we get a palindrome (233252252332).

The spelling of 100122031331 in words is "one hundred billion, one hundred twenty-two million, thirty-one thousand, three hundred thirty-one".