302642130 has 48 divisors (see below), whose sum is σ = 844931520. Its totient is φ = 69175008.

The previous prime is 302642111. The next prime is 302642161. The reversal of 302642130 is 31246203.

It is a happy number.

302642130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 302642097 and 302642106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101470 + ... + 104409.

It is an arithmetic number, because the mean of its divisors is an integer number (17602740).

Almost surely, 2^302642130 is an apocalyptic number.

302642130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302642130 is an abundant number, since it is smaller than the sum of its proper divisors (542289390).

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

302642130 is a wasteful number, since it uses less digits than its factorization.

302642130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205903 (or 205896 counting only the distinct ones).

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

The square root of 302642130 is about 17396.6126013083. The cubic root of 302642130 is about 671.3924630607.

Adding to 302642130 its reverse (31246203), we get a palindrome (333888333).

The spelling of 302642130 in words is "three hundred two million, six hundred forty-two thousand, one hundred thirty".