103403212431 has 4 divisors (see below), whose sum is σ = 137870949912. Its totient is φ = 68935474952.

The previous prime is 103403212427. The next prime is 103403212433. The reversal of 103403212431 is 134212304301.

It is a happy number.

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 103403212431 - 2² = 103403212427 is a prime.

It is a super-2 number, since 2×103403212431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103403212433) 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, 17233868736 + ... + 17233868741.

It is an arithmetic number, because the mean of its divisors is an integer number (34467737478).

Almost surely, 2^103403212431 is an apocalyptic number.

103403212431 is a deficient number, since it is larger than the sum of its proper divisors (34467737481).

103403212431 is an equidigital number, since it uses as much as digits as its factorization.

103403212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34467737480.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 103403212431 its reverse (134212304301), we get a palindrome (237615516732).

The spelling of 103403212431 in words is "one hundred three billion, four hundred three million, two hundred twelve thousand, four hundred thirty-one".