103112002131 has 4 divisors (see below), whose sum is σ = 137482669512. Its totient is φ = 68741334752.

The previous prime is 103112002129. The next prime is 103112002163. The reversal of 103112002131 is 131200211301.

It is a happy number.

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 103112002131 - 2¹ = 103112002129 is a prime.

It is a super-2 number, since 2×103112002131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103112002131.

It is not an unprimeable number, because it can be changed into a prime (103112002111) 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, 17185333686 + ... + 17185333691.

It is an arithmetic number, because the mean of its divisors is an integer number (34370667378).

Almost surely, 2^103112002131 is an apocalyptic number.

103112002131 is a deficient number, since it is larger than the sum of its proper divisors (34370667381).

103112002131 is an equidigital number, since it uses as much as digits as its factorization.

103112002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34370667380.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103112002131 its reverse (131200211301), we get a palindrome (234312213432).

The spelling of 103112002131 in words is "one hundred three billion, one hundred twelve million, two thousand, one hundred thirty-one".