1031320434130 has 128 divisors (see below), whose sum is σ = 2311504957440. Its totient is φ = 323219496960.

The previous prime is 1031320434127. The next prime is 1031320434163. The reversal of 1031320434130 is 314340231301.

It is a junction number, because it is equal to n+sod(n) for n = 1031320434095 and 1031320434104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10832776 + ... + 10927564.

It is an arithmetic number, because the mean of its divisors is an integer number (18058632480).

Almost surely, 2^{1031320434130} is an apocalyptic number.

1031320434130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031320434130 is an abundant number, since it is smaller than the sum of its proper divisors (1280184523310).

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

1031320434130 is a wasteful number, since it uses less digits than its factorization.

1031320434130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95084.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1031320434130 its reverse (314340231301), we get a palindrome (1345660665431).

The spelling of 1031320434130 in words is "one trillion, thirty-one billion, three hundred twenty million, four hundred thirty-four thousand, one hundred thirty".