103450431 has 32 divisors (see below), whose sum is σ = 161998848. Its totient is φ = 57496320.

The previous prime is 103450429. The next prime is 103450447. The reversal of 103450431 is 134054301.

It is not a de Polignac number, because 103450431 - 2¹ = 103450429 is a prime.

It is a super-2 number, since 2×103450431² = 21403983348171522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103450398 and 103450407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103450471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277161 + ... + 277533.

It is an arithmetic number, because the mean of its divisors is an integer number (5062464).

Almost surely, 2^103450431 is an apocalyptic number.

103450431 is a deficient number, since it is larger than the sum of its proper divisors (58548417).

103450431 is a wasteful number, since it uses less digits than its factorization.

103450431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103450431 is about 10171.0584994877. The cubic root of 103450431 is about 469.4371275911.

The spelling of 103450431 in words is "one hundred three million, four hundred fifty thousand, four hundred thirty-one".