3151211051641 has 2 divisors, whose sum is σ = 3151211051642. Its totient is φ = 3151211051640.

The previous prime is 3151211051633. The next prime is 3151211051663. The reversal of 3151211051641 is 1461501121513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1604222363241 + 1546988688400 = 1266579^2 + 1243780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151211051641 - 2³ = 3151211051633 is a prime.

It is not a weakly prime, because it can be changed into another prime (3151211051621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575605525820 + 1575605525821.

It is an arithmetic number, because the mean of its divisors is an integer number (1575605525821).

Almost surely, 2^{3151211051641} is an apocalyptic number.

It is an amenable number.

3151211051641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151211051641 is an equidigital number, since it uses as much as digits as its factorization.

3151211051641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 3151211051641 in words is "three trillion, one hundred fifty-one billion, two hundred eleven million, fifty-one thousand, six hundred forty-one".