1102340431 has 4 divisors (see below), whose sum is σ = 1140352200. Its totient is φ = 1064328664.

The previous prime is 1102340413. The next prime is 1102340443. The reversal of 1102340431 is 1340432011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1102340431 - 2⁵ = 1102340399 is a prime.

It is a super-2 number, since 2×1102340431² = 2430308851634531522, 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 = 1102340399 and 1102340408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102340411) 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, 19005841 + ... + 19005898.

It is an arithmetic number, because the mean of its divisors is an integer number (285088050).

Almost surely, 2^1102340431 is an apocalyptic number.

1102340431 is a deficient number, since it is larger than the sum of its proper divisors (38011769).

1102340431 is an equidigital number, since it uses as much as digits as its factorization.

1102340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38011768.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1102340431 is about 33201.5124806085. The cubic root of 1102340431 is about 1033.0117121049.

Adding to 1102340431 its reverse (1340432011), we get a palindrome (2442772442).

The spelling of 1102340431 in words is "one billion, one hundred two million, three hundred forty thousand, four hundred thirty-one".