103046431 has 4 divisors (see below), whose sum is σ = 103087872. Its totient is φ = 103004992.

The previous prime is 103046413. The next prime is 103046441. The reversal of 103046431 is 134640301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103046431 is a prime.

It is a super-2 number, since 2×103046431² = 21237133883675522, 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 (103046441) 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, 16735 + ... + 22048.

It is an arithmetic number, because the mean of its divisors is an integer number (25771968).

Almost surely, 2^103046431 is an apocalyptic number.

103046431 is a deficient number, since it is larger than the sum of its proper divisors (41441).

103046431 is an equidigital number, since it uses as much as digits as its factorization.

103046431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41440.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 103046431 is about 10151.1787985435. The cubic root of 103046431 is about 468.8252402838.

Adding to 103046431 its reverse (134640301), we get a palindrome (237686732).

The spelling of 103046431 in words is "one hundred three million, forty-six thousand, four hundred thirty-one".