12103433031 has 16 divisors (see below), whose sum is σ = 16177393664. Its totient is φ = 8049240864.

The previous prime is 12103433021. The next prime is 12103433059. The reversal of 12103433031 is 13033430121.

It is not a de Polignac number, because 12103433031 - 2⁹ = 12103432519 is a prime.

It is a super-2 number, since 2×12103433031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103432989 and 12103433007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103433021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2466126 + ... + 2471028.

It is an arithmetic number, because the mean of its divisors is an integer number (1011087104).

Almost surely, 2^12103433031 is an apocalyptic number.

12103433031 is a deficient number, since it is larger than the sum of its proper divisors (4073960633).

12103433031 is a wasteful number, since it uses less digits than its factorization.

12103433031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12103433031 its reverse (13033430121), we get a palindrome (25136863152).

The spelling of 12103433031 in words is "twelve billion, one hundred three million, four hundred thirty-three thousand, thirty-one".