1031226510100 has 36 divisors (see below), whose sum is σ = 2292341085468. Its totient is φ = 402429856000.

The previous prime is 1031226510043. The next prime is 1031226510107. The reversal of 1031226510100 is 10156221301.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19355487376 + 1011871022724 = 139124^2 + 1005918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031226510107) 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 11 ways as a sum of consecutive naturals, for example, 125755231 + ... + 125763430.

It is an arithmetic number, because the mean of its divisors is an integer number (63676141263).

Almost surely, 2^{1031226510100} is an apocalyptic number.

1031226510100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031226510100 is an abundant number, since it is smaller than the sum of its proper divisors (1261114575368).

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

1031226510100 is a wasteful number, since it uses less digits than its factorization.

1031226510100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251518716 (or 251518709 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 1031226510100 in words is "one trillion, thirty-one billion, two hundred twenty-six million, five hundred ten thousand, one hundred".