312430201000 has 32 divisors (see below), whose sum is σ = 731086672680. Its totient is φ = 124972080000.

The previous prime is 312430200997. The next prime is 312430201007. The reversal of 312430201000 is 102034213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56873664324 + 255556536676 = 238482^2 + 505526^2 .

It is a super-2 number, since 2×312430201000² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312430201007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156214101 + ... + 156216100.

Almost surely, 2^312430201000 is an apocalyptic number.

It is an amenable number.

312430201000 is an abundant number, since it is smaller than the sum of its proper divisors (418656471680).

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

312430201000 is a wasteful number, since it uses less digits than its factorization.

312430201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312430222 (or 312430208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312430201000 its reverse (102034213), we get a palindrome (312532235213).

The spelling of 312430201000 in words is "three hundred twelve billion, four hundred thirty million, two hundred one thousand".