100412131331 has 4 divisors (see below), whose sum is σ = 100412776464. Its totient is φ = 100411486200.

The previous prime is 100412131327. The next prime is 100412131333. The reversal of 100412131331 is 133131214001.

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 100412131331 - 2² = 100412131327 is a prime.

It is a super-2 number, since 2×100412131331² (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 (100412131333) 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, 70826 + ... + 453696.

It is an arithmetic number, because the mean of its divisors is an integer number (25103194116).

Almost surely, 2^100412131331 is an apocalyptic number.

100412131331 is a deficient number, since it is larger than the sum of its proper divisors (645133).

100412131331 is an equidigital number, since it uses as much as digits as its factorization.

100412131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100412131331 its reverse (133131214001), we get a palindrome (233543345332).

The spelling of 100412131331 in words is "one hundred billion, four hundred twelve million, one hundred thirty-one thousand, three hundred thirty-one".