1031104431 has 16 divisors (see below), whose sum is σ = 1745785600. Its totient is φ = 589202424.

The previous prime is 1031104429. The next prime is 1031104433. The reversal of 1031104431 is 1344011301.

It is an interprime number because it is at equal distance from previous prime (1031104429) and next prime (1031104433).

It is not a de Polignac number, because 1031104431 - 2¹ = 1031104429 is a prime.

It is a super-2 number, since 2×1031104431² = 2126352695255667522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031104433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727601 + ... + 2727978.

It is an arithmetic number, because the mean of its divisors is an integer number (109111600).

Almost surely, 2^1031104431 is an apocalyptic number.

1031104431 is a deficient number, since it is larger than the sum of its proper divisors (714681169).

1031104431 is an equidigital number, since it uses as much as digits as its factorization.

1031104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455595 (or 5455589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1031104431 is about 32110.8148604174. The cubic root of 1031104431 is about 1010.2624651999.

Adding to 1031104431 its reverse (1344011301), we get a palindrome (2375115732).

The spelling of 1031104431 in words is "one billion, thirty-one million, one hundred four thousand, four hundred thirty-one".