271231801345 has 32 divisors (see below), whose sum is σ = 342087989760. Its totient is φ = 206050521600.

The previous prime is 271231801343. The next prime is 271231801361. The reversal of 271231801345 is 543108132172.

It is not a de Polignac number, because 271231801345 - 2¹ = 271231801343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (271231801343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36271747 + ... + 36279223.

It is an arithmetic number, because the mean of its divisors is an integer number (10690249680).

Almost surely, 2^271231801345 is an apocalyptic number.

It is an amenable number.

271231801345 is a deficient number, since it is larger than the sum of its proper divisors (70856188415).

271231801345 is a wasteful number, since it uses less digits than its factorization.

271231801345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 271231801345 in words is "two hundred seventy-one billion, two hundred thirty-one million, eight hundred one thousand, three hundred forty-five".