102033431 has 4 divisors (see below), whose sum is σ = 105324864. Its totient is φ = 98742000.

The previous prime is 102033413. The next prime is 102033443. The reversal of 102033431 is 134330201.

It is a happy number.

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-102033431 is a prime.

It is a super-2 number, since 2×102033431² = 20821642083263522, 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 (102033131) 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, 1645670 + ... + 1645731.

It is an arithmetic number, because the mean of its divisors is an integer number (26331216).

Almost surely, 2^102033431 is an apocalyptic number.

102033431 is a deficient number, since it is larger than the sum of its proper divisors (3291433).

102033431 is an equidigital number, since it uses as much as digits as its factorization.

102033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291432.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 102033431 is about 10101.1598838945. The cubic root of 102033431 is about 467.2839132145.

Adding to 102033431 its reverse (134330201), we get a palindrome (236363632).

The spelling of 102033431 in words is "one hundred two million, thirty-three thousand, four hundred thirty-one".