2021131302 has 32 divisors (see below), whose sum is σ = 4258994688. Its totient is φ = 638157696.

The previous prime is 2021131283. The next prime is 2021131303. The reversal of 2021131302 is 2031311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021131303) 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, 56883 + ... + 85310.

It is an arithmetic number, because the mean of its divisors is an integer number (133093584).

Almost surely, 2^2021131302 is an apocalyptic number.

2021131302 is an abundant number, since it is smaller than the sum of its proper divisors (2237863386).

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

2021131302 is a wasteful number, since it uses less digits than its factorization.

2021131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142324.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2021131302 is about 44956.9939164086. The cubic root of 2021131302 is about 1264.3428087137.

Adding to 2021131302 its reverse (2031311202), we get a palindrome (4052442504).

The spelling of 2021131302 in words is "two billion, twenty-one million, one hundred thirty-one thousand, three hundred two".