312038130 has 16 divisors (see below), whose sum is σ = 748891584. Its totient is φ = 83210160.

The previous prime is 312038107. The next prime is 312038147. The reversal of 312038130 is 31830213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312038097 and 312038106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5200606 + ... + 5200665.

It is an arithmetic number, because the mean of its divisors is an integer number (46805724).

Almost surely, 2^312038130 is an apocalyptic number.

312038130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312038130 is an abundant number, since it is smaller than the sum of its proper divisors (436853454).

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

312038130 is a wasteful number, since it uses less digits than its factorization.

312038130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10401281.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 312038130 is about 17664.6010427635. The cubic root of 312038130 is about 678.2699171552.

Adding to 312038130 its reverse (31830213), we get a palindrome (343868343).

The spelling of 312038130 in words is "three hundred twelve million, thirty-eight thousand, one hundred thirty".