104121112031 has 4 divisors (see below), whose sum is σ = 104132730000. Its totient is φ = 104109494064.

The previous prime is 104121112027. The next prime is 104121112061. The reversal of 104121112031 is 130211121401.

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 104121112031 - 2² = 104121112027 is a prime.

It is a super-2 number, since 2×104121112031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121112061) 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, 5795531 + ... + 5813468.

It is an arithmetic number, because the mean of its divisors is an integer number (26033182500).

Almost surely, 2^104121112031 is an apocalyptic number.

104121112031 is a deficient number, since it is larger than the sum of its proper divisors (11617969).

104121112031 is an equidigital number, since it uses as much as digits as its factorization.

104121112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617968.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 104121112031 its reverse (130211121401), we get a palindrome (234332233432).

The spelling of 104121112031 in words is "one hundred four billion, one hundred twenty-one million, one hundred twelve thousand, thirty-one".