1031131132330 has 64 divisors (see below), whose sum is σ = 2130589591200. Its totient is φ = 355924721664.

The previous prime is 1031131132309. The next prime is 1031131132331. The reversal of 1031131132330 is 332311311301.

It can be written as a sum of positive squares in 16 ways, for example, as 49725878049 + 981405254281 = 222993^2 + 990659^2 .

It is not an unprimeable number, because it can be changed into a prime (1031131132331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236399 + ... + 1894978.

Almost surely, 2^{1031131132330} is an apocalyptic number.

1031131132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031131132330 is an abundant number, since it is smaller than the sum of its proper divisors (1099458458870).

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

1031131132330 is a wasteful number, since it uses less digits than its factorization.

1031131132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131563.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1031131132330 its reverse (332311311301), we get a palindrome (1363442443631).

The spelling of 1031131132330 in words is "one trillion, thirty-one billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred thirty".