302031440130 has 32 divisors (see below), whose sum is σ = 828429093504. Its totient is φ = 69035757696.

The previous prime is 302031440129. The next prime is 302031440141. The reversal of 302031440130 is 31044130203.

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 = 302031440097 and 302031440106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719122267 + ... + 719122686.

It is an arithmetic number, because the mean of its divisors is an integer number (25888409172).

Almost surely, 2^302031440130 is an apocalyptic number.

302031440130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302031440130 is an abundant number, since it is smaller than the sum of its proper divisors (526397653374).

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

302031440130 is a wasteful number, since it uses less digits than its factorization.

302031440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438244970.

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

Adding to 302031440130 its reverse (31044130203), we get a palindrome (333075570333).

The spelling of 302031440130 in words is "three hundred two billion, thirty-one million, four hundred forty thousand, one hundred thirty".