3971353843311 has 16 divisors (see below), whose sum is σ = 5296832476416. Its totient is φ = 2646722380736.

The previous prime is 3971353843291. The next prime is 3971353843343. The reversal of 3971353843311 is 1133483531793.

It is a cyclic number.

It is not a de Polignac number, because 3971353843311 - 2⁵ = 3971353843279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971353843211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153067006 + ... + 153092948.

It is an arithmetic number, because the mean of its divisors is an integer number (331052029776).

Almost surely, 2^{3971353843311} is an apocalyptic number.

3971353843311 is a deficient number, since it is larger than the sum of its proper divisors (1325478633105).

3971353843311 is a wasteful number, since it uses less digits than its factorization.

3971353843311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302.

The product of its digits is 2449440, while the sum is 51.

The spelling of 3971353843311 in words is "three trillion, nine hundred seventy-one billion, three hundred fifty-three million, eight hundred forty-three thousand, three hundred eleven".