103031012133 has 72 divisors (see below), whose sum is σ = 178622496000. Its totient is φ = 57031805376.

The previous prime is 103031012101. The next prime is 103031012159. The reversal of 103031012133 is 331210130301.

It is a happy number.

It is not a de Polignac number, because 103031012133 - 2⁵ = 103031012101 is a prime.

It is a super-2 number, since 2×103031012133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031012173) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1818568 + ... + 1874366.

It is an arithmetic number, because the mean of its divisors is an integer number (2480868000).

Almost surely, 2^103031012133 is an apocalyptic number.

It is an amenable number.

103031012133 is a deficient number, since it is larger than the sum of its proper divisors (75591483867).

103031012133 is a wasteful number, since it uses less digits than its factorization.

103031012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55951 (or 55941 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103031012133 its reverse (331210130301), we get a palindrome (434241142434).

The spelling of 103031012133 in words is "one hundred three billion, thirty-one million, twelve thousand, one hundred thirty-three".