312030400430002 has 8 divisors (see below), whose sum is σ = 468045686118636. Its totient is φ = 156015171723792.

The previous prime is 312030400429987. The next prime is 312030400430029. The reversal of 312030400430002 is 200034004030213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 297671219428801 + 14359181001201 = 17253151^2 + 3789351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243488 + ... + 25339060.

Almost surely, 2^{312030400430002} is an apocalyptic number.

312030400430002 is a deficient number, since it is larger than the sum of its proper divisors (156015285688634).

312030400430002 is a wasteful number, since it uses less digits than its factorization.

312030400430002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28491212.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 312030400430002 its reverse (200034004030213), we get a palindrome (512064404460215).

The spelling of 312030400430002 in words is "three hundred twelve trillion, thirty billion, four hundred million, four hundred thirty thousand, two".