102003431 has 8 divisors (see below), whose sum is σ = 103434240. Its totient is φ = 100577592.

The previous prime is 102003427. The next prime is 102003437. The reversal of 102003431 is 134300201.

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

It is a cyclic number.

It is not a de Polignac number, because 102003431 - 2² = 102003427 is a prime.

It is a super-2 number, since 2×102003431² = 20809399871543522, 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 (102003437) 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, 60506 + ... + 62168.

It is an arithmetic number, because the mean of its divisors is an integer number (12929280).

Almost surely, 2^102003431 is an apocalyptic number.

102003431 is a deficient number, since it is larger than the sum of its proper divisors (1430809).

102003431 is an equidigital number, since it uses as much as digits as its factorization.

102003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102003431 is about 10099.6747967447. The cubic root of 102003431 is about 467.2381115872.

Adding to 102003431 its reverse (134300201), we get a palindrome (236303632).

It can be divided in two parts, 10200 and 3431, that added together give a palindrome (13631).

The spelling of 102003431 in words is "one hundred two million, three thousand, four hundred thirty-one".