1031131002222 has 48 divisors (see below), whose sum is σ = 2259530320320. Its totient is φ = 339801682176.

The previous prime is 1031131002191. The next prime is 1031131002257. The reversal of 1031131002222 is 2222001311301.

1031131002222 is a `hidden beast` number, since 1 + 0 + 311 + 310 + 0 + 22 + 22 = 666.

It is a super-2 number, since 2×1031131002222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1031131002195 and 1031131002204.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12764523 + ... + 12845049.

It is an arithmetic number, because the mean of its divisors is an integer number (47073548340).

Almost surely, 2^{1031131002222} is an apocalyptic number.

1031131002222 is an abundant number, since it is smaller than the sum of its proper divisors (1228399318098).

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

1031131002222 is a wasteful number, since it uses less digits than its factorization.

1031131002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88617 (or 88614 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031131002222 its reverse (2222001311301), we get a palindrome (3253132313523).

The spelling of 1031131002222 in words is "one trillion, thirty-one billion, one hundred thirty-one million, two thousand, two hundred twenty-two".