102313404 has 72 divisors (see below), whose sum is σ = 275118480. Its totient is φ = 31968000.

The previous prime is 102313403. The next prime is 102313433. The reversal of 102313404 is 404313201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68344 + ... + 69824.

It is an arithmetic number, because the mean of its divisors is an integer number (3821090).

Almost surely, 2^102313404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102313404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137559240).

102313404 is an abundant number, since it is smaller than the sum of its proper divisors (172805076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102313404 is a wasteful number, since it uses less digits than its factorization.

102313404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1606 counting only the distinct ones).

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

The square root of 102313404 is about 10115.0088482413. The cubic root of 102313404 is about 467.7109216297.

Adding to 102313404 its reverse (404313201), we get a palindrome (506626605).

The spelling of 102313404 in words is "one hundred two million, three hundred thirteen thousand, four hundred four".