22131304310402 has 8 divisors (see below), whose sum is σ = 37939378817856. Its totient is φ = 9484844704452.

The previous prime is 22131304310389. The next prime is 22131304310411. The reversal of 22131304310402 is 20401340313122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790403725358 + ... + 790403725385.

It is an arithmetic number, because the mean of its divisors is an integer number (4742422352232).

Almost surely, 2^{22131304310402} is an apocalyptic number.

22131304310402 is a deficient number, since it is larger than the sum of its proper divisors (15808074507454).

22131304310402 is a wasteful number, since it uses less digits than its factorization.

22131304310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580807450752.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22131304310402 its reverse (20401340313122), we get a palindrome (42532644623524).

The spelling of 22131304310402 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred four million, three hundred ten thousand, four hundred two".