1031320110320 has 40 divisors (see below), whose sum is σ = 2419038917136. Its totient is φ = 408877349888.

The previous prime is 1031320110319. The next prime is 1031320110323. The reversal of 1031320110320 is 230110231301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031320110323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57033002 + ... + 57051081.

Almost surely, 2^{1031320110320} is an apocalyptic number.

1031320110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031320110320 is an abundant number, since it is smaller than the sum of its proper divisors (1387718806816).

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

1031320110320 is a wasteful number, since it uses less digits than its factorization.

1031320110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114084209 (or 114084203 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1031320110320 its reverse (230110231301), we get a palindrome (1261430341621).

The spelling of 1031320110320 in words is "one trillion, thirty-one billion, three hundred twenty million, one hundred ten thousand, three hundred twenty".