203130321320112 has 40 divisors (see below), whose sum is σ = 531395777303040. Its totient is φ = 66853017142080.

The previous prime is 203130321320107. The next prime is 203130321320117. The reversal of 203130321320112 is 211023123031302.

It is an interprime number because it is at equal distance from previous prime (203130321320107) and next prime (203130321320117).

It is a super-2 number, since 2×203130321320112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (203130321320117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26784057564 + ... + 26784065147.

It is an arithmetic number, because the mean of its divisors is an integer number (13284894432576).

Almost surely, 2^{203130321320112} is an apocalyptic number.

It is an amenable number.

203130321320112 is an abundant number, since it is smaller than the sum of its proper divisors (328265455982928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203130321320112 is a wasteful number, since it uses less digits than its factorization.

203130321320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53568122801 (or 53568122795 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203130321320112 its reverse (211023123031302), we get a palindrome (414153444351414).

The spelling of 203130321320112 in words is "two hundred three trillion, one hundred thirty billion, three hundred twenty-one million, three hundred twenty thousand, one hundred twelve".