2135187273331 has 16 divisors (see below), whose sum is σ = 2489321818368. Its totient is φ = 1793414844000.

The previous prime is 2135187273257. The next prime is 2135187273379. The reversal of 2135187273331 is 1333727815312.

It is a cyclic number.

It is not a de Polignac number, because 2135187273331 - 2¹³ = 2135187265139 is a prime.

It is a super-2 number, since 2×2135187273331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135187273031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3247345 + ... + 3849106.

It is an arithmetic number, because the mean of its divisors is an integer number (155582613648).

Almost surely, 2^{2135187273331} is an apocalyptic number.

2135187273331 is a deficient number, since it is larger than the sum of its proper divisors (354134545037).

2135187273331 is an equidigital number, since it uses as much as digits as its factorization.

2135187273331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097322.

The product of its digits is 635040, while the sum is 46.

The spelling of 2135187273331 in words is "two trillion, one hundred thirty-five billion, one hundred eighty-seven million, two hundred seventy-three thousand, three hundred thirty-one".