2081331383252 has 18 divisors (see below), whose sum is σ = 4003552723674. Its totient is φ = 946059719440.

The previous prime is 2081331383249. The next prime is 2081331383267. The reversal of 2081331383252 is 2523831331802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1726348976836 + 354982406416 = 1313906^2 + 595804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150135243 + ... + 2150136210.

Almost surely, 2^{2081331383252} is an apocalyptic number.

2081331383252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2081331383252 is a deficient number, since it is larger than the sum of its proper divisors (1922221340422).

2081331383252 is a wasteful number, since it uses less digits than its factorization.

2081331383252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300271479 (or 4300271466 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 2081331383252 in words is "two trillion, eighty-one billion, three hundred thirty-one million, three hundred eighty-three thousand, two hundred fifty-two".