1031040304 has 20 divisors (see below), whose sum is σ = 2283018064. Its totient is φ = 441874368.

The previous prime is 1031040271. The next prime is 1031040313. The reversal of 1031040304 is 4030401301.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4602747 + ... + 4602970.

Almost surely, 2^1031040304 is an apocalyptic number.

1031040304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1031040304 is an abundant number, since it is smaller than the sum of its proper divisors (1251977760).

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

1031040304 is an equidigital number, since it uses as much as digits as its factorization.

1031040304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205732 (or 9205726 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1031040304 is about 32109.8163183784. The cubic root of 1031040304 is about 1010.2415211706.

Adding to 1031040304 its reverse (4030401301), we get a palindrome (5061441605).

The spelling of 1031040304 in words is "one billion, thirty-one million, forty thousand, three hundred four".