22131220301031 has 8 divisors (see below), whose sum is σ = 29617180428544. Its totient is φ = 14699703520440.

The previous prime is 22131220301011. The next prime is 22131220301039. The reversal of 22131220301031 is 13010302213122.

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

It is not a de Polignac number, because 22131220301031 - 2⁶ = 22131220300967 is a prime.

It is a super-2 number, since 2×22131220301031² (a number of 27 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 = 22131220300989 and 22131220301007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131220301039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13610835781 + ... + 13610837406.

It is an arithmetic number, because the mean of its divisors is an integer number (3702147553568).

Almost surely, 2^{22131220301031} is an apocalyptic number.

22131220301031 is a deficient number, since it is larger than the sum of its proper divisors (7485960127513).

22131220301031 is a wasteful number, since it uses less digits than its factorization.

22131220301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27221673461.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22131220301031 its reverse (13010302213122), we get a palindrome (35141522514153).

The spelling of 22131220301031 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty million, three hundred one thousand, thirty-one".