1031130322340 has 48 divisors (see below), whose sum is σ = 2167490135664. Its totient is φ = 412049203200.

The previous prime is 1031130322303. The next prime is 1031130322349. The reversal of 1031130322340 is 432230311301.

It can be written as a sum of positive squares in 8 ways, for example, as 9563275264 + 1021567047076 = 97792^2 + 1010726^2 .

It is not an unprimeable number, because it can be changed into a prime (1031130322349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153051452 + ... + 153058188.

It is an arithmetic number, because the mean of its divisors is an integer number (45156044493).

Almost surely, 2^{1031130322340} is an apocalyptic number.

1031130322340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031130322340 is an abundant number, since it is smaller than the sum of its proper divisors (1136359813324).

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

1031130322340 is a wasteful number, since it uses less digits than its factorization.

1031130322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088 (or 13086 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1031130322340 its reverse (432230311301), we get a palindrome (1463360633641).

The spelling of 1031130322340 in words is "one trillion, thirty-one billion, one hundred thirty million, three hundred twenty-two thousand, three hundred forty".