1031023202120 has 32 divisors (see below), whose sum is σ = 2319892800120. Its totient is φ = 412393175040.

The previous prime is 1031023202071. The next prime is 1031023202123. The reversal of 1031023202120 is 212023201301.

It can be written as a sum of positive squares in 4 ways, for example, as 1029295469764 + 1727732356 = 1014542^2 + 41566^2 .

It is a super-3 number, since 3×1031023202120³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031023202123) 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, 561560 + ... + 1541880.

Almost surely, 2^{1031023202120} is an apocalyptic number.

1031023202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031023202120 is an abundant number, since it is smaller than the sum of its proper divisors (1288869598000).

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

1031023202120 is a wasteful number, since it uses less digits than its factorization.

1031023202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006625 (or 1006621 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1031023202120 its reverse (212023201301), we get a palindrome (1243046403421).

The spelling of 1031023202120 in words is "one trillion, thirty-one billion, twenty-three million, two hundred two thousand, one hundred twenty".