2031211332 has 18 divisors (see below), whose sum is σ = 5134450958. Its totient is φ = 677070432.

The previous prime is 2031211319. The next prime is 2031211337. The reversal of 2031211332 is 2331121302.

2031211332 is a `hidden beast` number, since 20 + 312 + 1 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1769548356 + 261662976 = 42066^2 + 16176^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2031211337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28211233 + ... + 28211304.

Almost surely, 2^2031211332 is an apocalyptic number.

It is an amenable number.

2031211332 is an abundant number, since it is smaller than the sum of its proper divisors (3103239626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031211332 is a wasteful number, since it uses less digits than its factorization.

2031211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56422547 (or 56422542 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2031211332 is about 45068.9619583145. The cubic root of 2031211332 is about 1266.4412184477.

Adding to 2031211332 its reverse (2331121302), we get a palindrome (4362332634).

The spelling of 2031211332 in words is "two billion, thirty-one million, two hundred eleven thousand, three hundred thirty-two".