102343431 has 8 divisors (see below), whose sum is σ = 140859904. Its totient is φ = 66027960.

The previous prime is 102343411. The next prime is 102343453. The reversal of 102343431 is 134343201.

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

It is not a de Polignac number, because 102343431 - 2⁷ = 102343303 is a prime.

It is a super-2 number, since 2×102343431² = 20948355737703522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102343398 and 102343407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102343411) 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, 550141 + ... + 550326.

It is an arithmetic number, because the mean of its divisors is an integer number (17607488).

Almost surely, 2^102343431 is an apocalyptic number.

102343431 is a deficient number, since it is larger than the sum of its proper divisors (38516473).

102343431 is a wasteful number, since it uses less digits than its factorization.

102343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100501.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102343431 is about 10116.4930188282. The cubic root of 102343431 is about 467.7566718496.

Adding to 102343431 its reverse (134343201), we get a palindrome (236686632).

The spelling of 102343431 in words is "one hundred two million, three hundred forty-three thousand, four hundred thirty-one".