3271971078145 has 32 divisors (see below), whose sum is σ = 4895357425920. Its totient is φ = 2039608304640.

The previous prime is 3271971078127. The next prime is 3271971078151. The reversal of 3271971078145 is 5418701791723.

It is not a de Polignac number, because 3271971078145 - 2¹³ = 3271971069953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14794741 + ... + 15014269.

It is an arithmetic number, because the mean of its divisors is an integer number (152979919560).

Almost surely, 2^{3271971078145} is an apocalyptic number.

3271971078145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3271971078145 is a deficient number, since it is larger than the sum of its proper divisors (1623386347775).

3271971078145 is a wasteful number, since it uses less digits than its factorization.

3271971078145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258265.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 3271971078145 in words is "three trillion, two hundred seventy-one billion, nine hundred seventy-one million, seventy-eight thousand, one hundred forty-five".