22131030323402 has 32 divisors (see below), whose sum is σ = 44571585550464. Its totient is φ = 7959211704000.

The previous prime is 22131030323333. The next prime is 22131030323417. The reversal of 22131030323402 is 20432303013122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5527228349 + ... + 5527232352.

It is an arithmetic number, because the mean of its divisors is an integer number (1392862048452).

Almost surely, 2^{22131030323402} is an apocalyptic number.

22131030323402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22131030323402 is an abundant number, since it is smaller than the sum of its proper divisors (22440555227062).

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

22131030323402 is a wasteful number, since it uses less digits than its factorization.

22131030323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054460734.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 22131030323402 its reverse (20432303013122), we get a palindrome (42563333336524).

The spelling of 22131030323402 in words is "twenty-two trillion, one hundred thirty-one billion, thirty million, three hundred twenty-three thousand, four hundred two".