3128812913542 has 8 divisors (see below), whose sum is σ = 4694127692256. Its totient is φ = 1564103682792.

The previous prime is 3128812913533. The next prime is 3128812913563. The reversal of 3128812913542 is 2453192188213.

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

It is a congruent number.

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, 151374073 + ... + 151394740.

It is an arithmetic number, because the mean of its divisors is an integer number (586765961532).

Almost surely, 2^{3128812913542} is an apocalyptic number.

3128812913542 is a deficient number, since it is larger than the sum of its proper divisors (1565314778714).

3128812913542 is a wasteful number, since it uses less digits than its factorization.

3128812913542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302773982.

The product of its digits is 829440, while the sum is 49.

The spelling of 3128812913542 in words is "three trillion, one hundred twenty-eight billion, eight hundred twelve million, nine hundred thirteen thousand, five hundred forty-two".