3121602660403 has 8 divisors (see below), whose sum is σ = 3222500215680. Its totient is φ = 3020717648640.

The previous prime is 3121602660329. The next prime is 3121602660443. The reversal of 3121602660403 is 3040662061213.

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

It is a cyclic number.

It is not a de Polignac number, because 3121602660403 - 2⁹ = 3121602659891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121602660443) 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, 2628808 + ... + 3626821.

It is an arithmetic number, because the mean of its divisors is an integer number (402812526960).

Almost surely, 2^{3121602660403} is an apocalyptic number.

3121602660403 is a deficient number, since it is larger than the sum of its proper divisors (100897555277).

3121602660403 is a wasteful number, since it uses less digits than its factorization.

3121602660403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271757.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 3121602660403 in words is "three trillion, one hundred twenty-one billion, six hundred two million, six hundred sixty thousand, four hundred three".