1103202431 has 4 divisors (see below), whose sum is σ = 1103869872. Its totient is φ = 1102534992.

The previous prime is 1103202413. The next prime is 1103202433. The reversal of 1103202431 is 1342023011.

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 1103202431 - 2¹⁴ = 1103186047 is a prime.

It is a super-2 number, since 2×1103202431² = 2434111207528619522, 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 (1103202433) 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, 331235 + ... + 334548.

It is an arithmetic number, because the mean of its divisors is an integer number (275967468).

Almost surely, 2^1103202431 is an apocalyptic number.

1103202431 is a deficient number, since it is larger than the sum of its proper divisors (667441).

1103202431 is an equidigital number, since it uses as much as digits as its factorization.

1103202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667440.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1103202431 is about 33214.4912801626. The cubic root of 1103202431 is about 1033.2809042309.

Adding to 1103202431 its reverse (1342023011), we get a palindrome (2445225442).

The spelling of 1103202431 in words is "one billion, one hundred three million, two hundred two thousand, four hundred thirty-one".