102430311 has 16 divisors (see below), whose sum is σ = 144522240. Its totient is φ = 64350720.

The previous prime is 102430309. The next prime is 102430327. The reversal of 102430311 is 113034201.

It is not a de Polignac number, because 102430311 - 2¹ = 102430309 is a prime.

It is a super-2 number, since 2×102430311² = 20983937223113442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102430301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6346 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (9032640).

Almost surely, 2^102430311 is an apocalyptic number.

102430311 is a deficient number, since it is larger than the sum of its proper divisors (42091929).

102430311 is a wasteful number, since it uses less digits than its factorization.

102430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102430311 is about 10120.7860860706. The cubic root of 102430311 is about 467.8889949672. Note that the first 3 decimals are identical.

Adding to 102430311 its reverse (113034201), we get a palindrome (215464512).

The spelling of 102430311 in words is "one hundred two million, four hundred thirty thousand, three hundred eleven".