312030032302 has 16 divisors (see below), whose sum is σ = 471258293760. Its totient is φ = 154946151288.

The previous prime is 312030032261. The next prime is 312030032317. The reversal of 312030032302 is 203230030213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312030032302.

It is a congruent number.

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, 271998 + ... + 835489.

It is an arithmetic number, because the mean of its divisors is an integer number (29453643360).

Almost surely, 2^312030032302 is an apocalyptic number.

312030032302 is a deficient number, since it is larger than the sum of its proper divisors (159228261458).

312030032302 is a wasteful number, since it uses less digits than its factorization.

312030032302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108455.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 312030032302 its reverse (203230030213), we get a palindrome (515260062515).

The spelling of 312030032302 in words is "three hundred twelve billion, thirty million, thirty-two thousand, three hundred two".