22000310131000 has 128 divisors (see below), whose sum is σ = 51609179381760. Its totient is φ = 8778191184000.

The previous prime is 22000310130961. The next prime is 22000310131039. The reversal of 22000310131000 is 13101300022.

It is an interprime number because it is at equal distance from previous prime (22000310130961) and next prime (22000310131039).

It is a super-2 number, since 2×22000310131000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747202279 + ... + 747231721.

It is an arithmetic number, because the mean of its divisors is an integer number (403196713920).

Almost surely, 2^{22000310131000} is an apocalyptic number.

22000310131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000310131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25804589690880).

22000310131000 is an abundant number, since it is smaller than the sum of its proper divisors (29608869250760).

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

22000310131000 is a wasteful number, since it uses less digits than its factorization.

22000310131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31302 (or 31288 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 22000310131000 its reverse (13101300022), we get a palindrome (22013411431022).

The spelling of 22000310131000 in words is "twenty-two trillion, three hundred ten million, one hundred thirty-one thousand".