130121031203 has 4 divisors (see below), whose sum is σ = 130127448528. Its totient is φ = 130114613880.

The previous prime is 130121031017. The next prime is 130121031211. The reversal of 130121031203 is 302130121031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130121031203 is a prime.

It is a super-2 number, since 2×130121031203² (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 (130121021203) 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, 3178151 + ... + 3218832.

It is an arithmetic number, because the mean of its divisors is an integer number (32531862132).

Almost surely, 2^130121031203 is an apocalyptic number.

130121031203 is a deficient number, since it is larger than the sum of its proper divisors (6417325).

130121031203 is an equidigital number, since it uses as much as digits as its factorization.

130121031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417324.

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

Adding to 130121031203 its reverse (302130121031), we get a palindrome (432251152234).

The spelling of 130121031203 in words is "one hundred thirty billion, one hundred twenty-one million, thirty-one thousand, two hundred three".