312130302 has 32 divisors (see below), whose sum is σ = 721073664. Its totient is φ = 89020800.

The previous prime is 312130283. The next prime is 312130327. The reversal of 312130302 is 203031213.

It is a super-2 number, since 2×312130302² = 194850650853222408, which contains 22 as substring.

It is a congruent number.

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, 137974 + ... + 140217.

It is an arithmetic number, because the mean of its divisors is an integer number (22533552).

Almost surely, 2^312130302 is an apocalyptic number.

312130302 is an abundant number, since it is smaller than the sum of its proper divisors (408943362).

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

312130302 is a wasteful number, since it uses less digits than its factorization.

312130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278224.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312130302 is about 17667.2097966827. The cubic root of 312130302 is about 678.3366946141.

Adding to 312130302 its reverse (203031213), we get a palindrome (515161515).

The spelling of 312130302 in words is "three hundred twelve million, one hundred thirty thousand, three hundred two".