12402530031 has 8 divisors (see below), whose sum is σ = 16544208384. Its totient is φ = 8264602520.

The previous prime is 12402530017. The next prime is 12402530071. The reversal of 12402530031 is 13003520421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12402530031 - 2⁶ = 12402529967 is a prime.

It is a super-2 number, since 2×12402530031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402530071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929985 + ... + 943226.

It is an arithmetic number, because the mean of its divisors is an integer number (2068026048).

Almost surely, 2^12402530031 is an apocalyptic number.

12402530031 is a deficient number, since it is larger than the sum of its proper divisors (4141678353).

12402530031 is a wasteful number, since it uses less digits than its factorization.

12402530031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875421.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 12402530031 in words is "twelve billion, four hundred two million, five hundred thirty thousand, thirty-one".