312103112030 has 32 divisors (see below), whose sum is σ = 594859580640. Its totient is φ = 117492157440.

The previous prime is 312103112023. The next prime is 312103112089. The reversal of 312103112030 is 30211301213.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 7182770 + ... + 7226090.

It is an arithmetic number, because the mean of its divisors is an integer number (18589361895).

Almost surely, 2^312103112030 is an apocalyptic number.

312103112030 is a deficient number, since it is larger than the sum of its proper divisors (282756468610).

312103112030 is a wasteful number, since it uses less digits than its factorization.

312103112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85724.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 312103112030 its reverse (30211301213), we get a palindrome (342314413243).

The spelling of 312103112030 in words is "three hundred twelve billion, one hundred three million, one hundred twelve thousand, thirty".