1031020313120 has 72 divisors (see below), whose sum is σ = 2833464774924. Its totient is φ = 353492676096.

The previous prime is 1031020313119. The next prime is 1031020313123. The reversal of 1031020313120 is 213130201301.

It can be written as a sum of positive squares in 2 ways, for example, as 957603159184 + 73417153936 = 978572^2 + 270956^2 .

It is not an unprimeable number, because it can be changed into a prime (1031020313123) 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 11 ways as a sum of consecutive naturals, for example, 65746007 + ... + 65761686.

Almost surely, 2^{1031020313120} is an apocalyptic number.

1031020313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031020313120 is an abundant number, since it is smaller than the sum of its proper divisors (1802444461804).

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

1031020313120 is a wasteful number, since it uses less digits than its factorization.

1031020313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131507722 (or 131507707 counting only the distinct ones).

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

Adding to 1031020313120 its reverse (213130201301), we get a palindrome (1244150514421).

The spelling of 1031020313120 in words is "one trillion, thirty-one billion, twenty million, three hundred thirteen thousand, one hundred twenty".