3161211043201 has 4 divisors (see below), whose sum is σ = 3162011962032. Its totient is φ = 3160410124372.

The previous prime is 3161211043189. The next prime is 3161211043217. The reversal of 3161211043201 is 1023401121613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3161211043201 - 2³⁷ = 3023772089729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161211043231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400453495 + ... + 400461388.

It is an arithmetic number, because the mean of its divisors is an integer number (790502990508).

Almost surely, 2^{3161211043201} is an apocalyptic number.

It is an amenable number.

3161211043201 is a deficient number, since it is larger than the sum of its proper divisors (800918831).

3161211043201 is an equidigital number, since it uses as much as digits as its factorization.

3161211043201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800918830.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 3161211043201 its reverse (1023401121613), we get a palindrome (4184612164814).

The spelling of 3161211043201 in words is "three trillion, one hundred sixty-one billion, two hundred eleven million, forty-three thousand, two hundred one".