1104311431 has 4 divisors (see below), whose sum is σ = 1117616472. Its totient is φ = 1091006392.

The previous prime is 1104311413. The next prime is 1104311447. The reversal of 1104311431 is 1341134011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341134011 = 7 ⋅191590573.

It is a cyclic number.

It is not a de Polignac number, because 1104311431 - 2⁵ = 1104311399 is a prime.

It is a super-2 number, since 2×1104311431² = 2439007473274535522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1104311399 and 1104311408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104311401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652396 + ... + 6652561.

It is an arithmetic number, because the mean of its divisors is an integer number (279404118).

Almost surely, 2^1104311431 is an apocalyptic number.

1104311431 is a deficient number, since it is larger than the sum of its proper divisors (13305041).

1104311431 is an equidigital number, since it uses as much as digits as its factorization.

1104311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305040.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1104311431 is about 33231.1816070389. The cubic root of 1104311431 is about 1033.6270252836.

Adding to 1104311431 its reverse (1341134011), we get a palindrome (2445445442).

The spelling of 1104311431 in words is "one billion, one hundred four million, three hundred eleven thousand, four hundred thirty-one".