2137533331 has 4 divisors (see below), whose sum is σ = 2148383952. Its totient is φ = 2126682712.

The previous prime is 2137533187. The next prime is 2137533347. The reversal of 2137533331 is 1333357312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2137533331 is a prime.

It is a super-2 number, since 2×2137533331² = 9138097482271911122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2137533293 and 2137533302.

It is not an unprimeable number, because it can be changed into a prime (2137533371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425015 + ... + 5425408.

It is an arithmetic number, because the mean of its divisors is an integer number (537095988).

Almost surely, 2^2137533331 is an apocalyptic number.

2137533331 is a deficient number, since it is larger than the sum of its proper divisors (10850621).

2137533331 is a wasteful number, since it uses less digits than its factorization.

2137533331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850620.

The product of its digits is 17010, while the sum is 31.

The square root of 2137533331 is about 46233.4654876746. The cubic root of 2137533331 is about 1288.1634284205.

The spelling of 2137533331 in words is "two billion, one hundred thirty-seven million, five hundred thirty-three thousand, three hundred thirty-one".