3143203610621 has 2 divisors, whose sum is σ = 3143203610622. Its totient is φ = 3143203610620.

The previous prime is 3143203610609. The next prime is 3143203610699. The reversal of 3143203610621 is 1260163023413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2936719706596 + 206483904025 = 1713686^2 + 454405^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143203610621 - 2²² = 3143199416317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143203612621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571601805310 + 1571601805311.

It is an arithmetic number, because the mean of its divisors is an integer number (1571601805311).

Almost surely, 2^{3143203610621} is an apocalyptic number.

It is an amenable number.

3143203610621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143203610621 is an equidigital number, since it uses as much as digits as its factorization.

3143203610621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 3143203610621 in words is "three trillion, one hundred forty-three billion, two hundred three million, six hundred ten thousand, six hundred twenty-one".