102431403 has 12 divisors (see below), whose sum is σ = 148146960. Its totient is φ = 68199696.

The previous prime is 102431401. The next prime is 102431411. The reversal of 102431403 is 304134201.

It is not a de Polignac number, because 102431403 - 2¹ = 102431401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102431401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (12345580).

Almost surely, 2^102431403 is an apocalyptic number.

102431403 is a deficient number, since it is larger than the sum of its proper divisors (45715557).

102431403 is a wasteful number, since it uses less digits than its factorization.

102431403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658 (or 14655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102431403 is about 10120.8400343055. The cubic root of 102431403 is about 467.8906576683.

Adding to 102431403 its reverse (304134201), we get a palindrome (406565604).

The spelling of 102431403 in words is "one hundred two million, four hundred thirty-one thousand, four hundred three".