312230020302 has 64 divisors (see below), whose sum is σ = 733176576000. Its totient is φ = 98291422944.

The previous prime is 312230020301. The next prime is 312230020343. The reversal of 312230020302 is 203020032213.

It is a happy number.

312230020302 is a `hidden beast` number, since 312 + 2 + 30 + 0 + 20 + 302 = 666.

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 (312230020301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492977 + ... + 1689212.

It is an arithmetic number, because the mean of its divisors is an integer number (11455884000).

Almost surely, 2^312230020302 is an apocalyptic number.

312230020302 is an abundant number, since it is smaller than the sum of its proper divisors (420946555698).

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

312230020302 is a wasteful number, since it uses less digits than its factorization.

312230020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182302 (or 3182296 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 312230020302 its reverse (203020032213), we get a palindrome (515250052515).

The spelling of 312230020302 in words is "three hundred twelve billion, two hundred thirty million, twenty thousand, three hundred two".