1103412032431 has 4 divisors (see below), whose sum is σ = 1168318622592. Its totient is φ = 1038505442272.

The previous prime is 1103412032389. The next prime is 1103412032441. The reversal of 1103412032431 is 1342302143011.

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 1103412032431 - 2²¹ = 1103409935279 is a prime.

It is a super-2 number, since 2×1103412032431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103412032396 and 1103412032405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103412032441) 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, 32453295055 + ... + 32453295088.

It is an arithmetic number, because the mean of its divisors is an integer number (292079655648).

Almost surely, 2^{1103412032431} is an apocalyptic number.

1103412032431 is a deficient number, since it is larger than the sum of its proper divisors (64906590161).

1103412032431 is an equidigital number, since it uses as much as digits as its factorization.

1103412032431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64906590160.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1103412032431 its reverse (1342302143011), we get a palindrome (2445714175442).

The spelling of 1103412032431 in words is "one trillion, one hundred three billion, four hundred twelve million, thirty-two thousand, four hundred thirty-one".