1031040420 has 48 divisors (see below), whose sum is σ = 2892189888. Its totient is φ = 274441600.

The previous prime is 1031040401. The next prime is 1031040433. The reversal of 1031040420 is 240401301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031040420.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17995 + ... + 48845.

It is an arithmetic number, because the mean of its divisors is an integer number (60253956).

Almost surely, 2^1031040420 is an apocalyptic number.

1031040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031040420 is an abundant number, since it is smaller than the sum of its proper divisors (1861149468).

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

1031040420 is a wasteful number, since it uses less digits than its factorization.

1031040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31420 (or 31418 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1031040420 is about 32109.8181246796. The cubic root of 1031040420 is about 1010.2415590573.

Adding to 1031040420 its reverse (240401301), we get a palindrome (1271441721).

The spelling of 1031040420 in words is "one billion, thirty-one million, forty thousand, four hundred twenty".