103440012431 has 8 divisors (see below), whose sum is σ = 118900494624. Its totient is φ = 88150364640.

The previous prime is 103440012397. The next prime is 103440012437. The reversal of 103440012431 is 134210044301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103440012431 - 2²⁶ = 103372903567 is a prime.

It is a super-2 number, since 2×103440012431² (a number of 23 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 = 103440012397 and 103440012406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440012437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42707300 + ... + 42709721.

It is an arithmetic number, because the mean of its divisors is an integer number (14862561828).

Almost surely, 2^103440012431 is an apocalyptic number.

103440012431 is a deficient number, since it is larger than the sum of its proper divisors (15460482193).

103440012431 is an equidigital number, since it uses as much as digits as its factorization.

103440012431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85417201.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 103440012431 its reverse (134210044301), we get a palindrome (237650056732).

The spelling of 103440012431 in words is "one hundred three billion, four hundred forty million, twelve thousand, four hundred thirty-one".