1031013120 has 72 divisors (see below), whose sum is σ = 3292810416. Its totient is φ = 274935808.

The previous prime is 1031013119. The next prime is 1031013149. The reversal of 1031013120 is 213101301.

It is a super-2 number, since 2×1031013120² = 2125976107224268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1031013096 and 1031013105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130407 + ... + 138086.

It is an arithmetic number, because the mean of its divisors is an integer number (45733478).

Almost surely, 2^1031013120 is an apocalyptic number.

1031013120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031013120 is an abundant number, since it is smaller than the sum of its proper divisors (2261797296).

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

1031013120 is an equidigital number, since it uses as much as digits as its factorization.

1031013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268517 (or 268503 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1031013120 is about 32109.3930182431. The cubic root of 1031013120 is about 1010.2326425501.

Adding to 1031013120 its reverse (213101301), we get a palindrome (1244114421).

The spelling of 1031013120 in words is "one billion, thirty-one million, thirteen thousand, one hundred twenty".