102436431 has 8 divisors (see below), whose sum is σ = 140987904. Its totient is φ = 66087960.

The previous prime is 102436427. The next prime is 102436459. The reversal of 102436431 is 134634201.

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

It is not a de Polignac number, because 102436431 - 2² = 102436427 is a prime.

It is a super-2 number, since 2×102436431² = 20986444792035522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102436471) 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, 550641 + ... + 550826.

It is an arithmetic number, because the mean of its divisors is an integer number (17623488).

Almost surely, 2^102436431 is an apocalyptic number.

102436431 is a deficient number, since it is larger than the sum of its proper divisors (38551473).

102436431 is a wasteful number, since it uses less digits than its factorization.

102436431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101501.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 102436431 is about 10121.0884296107. The cubic root of 102436431 is about 467.8983132494.

The spelling of 102436431 in words is "one hundred two million, four hundred thirty-six thousand, four hundred thirty-one".