1031311101320 has 16 divisors (see below), whose sum is σ = 2320449978060. Its totient is φ = 412524440512.

The previous prime is 1031311101313. The next prime is 1031311101329. The reversal of 1031311101320 is 231011131301.

1031311101320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1019021605156 + 12289496164 = 1009466^2 + 110858^2 .

It is not an unprimeable number, because it can be changed into a prime (1031311101329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12891388727 + ... + 12891388806.

Almost surely, 2^{1031311101320} is an apocalyptic number.

1031311101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031311101320 is an abundant number, since it is smaller than the sum of its proper divisors (1289138876740).

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

1031311101320 is a wasteful number, since it uses less digits than its factorization.

1031311101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25782777544 (or 25782777540 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1031311101320 its reverse (231011131301), we get a palindrome (1262322232621).

The spelling of 1031311101320 in words is "one trillion, thirty-one billion, three hundred eleven million, one hundred one thousand, three hundred twenty".