100131214427 has 4 divisors (see below), whose sum is σ = 100745516520. Its totient is φ = 99516912336.

The previous prime is 100131214409. The next prime is 100131214451. The reversal of 100131214427 is 724412131001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100131214427 - 2²⁴ = 100114437211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100131214396 and 100131214405.

It is not an unprimeable number, because it can be changed into a prime (100131244427) 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, 307150802 + ... + 307151127.

It is an arithmetic number, because the mean of its divisors is an integer number (25186379130).

Almost surely, 2^100131214427 is an apocalyptic number.

100131214427 is a deficient number, since it is larger than the sum of its proper divisors (614302093).

100131214427 is an equidigital number, since it uses as much as digits as its factorization.

100131214427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614302092.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 100131214427 its reverse (724412131001), we get a palindrome (824543345428).

The spelling of 100131214427 in words is "one hundred billion, one hundred thirty-one million, two hundred fourteen thousand, four hundred twenty-seven".