2131211330 has 8 divisors (see below), whose sum is σ = 3836180412. Its totient is φ = 852484528.

The previous prime is 2131211311. The next prime is 2131211353. The reversal of 2131211330 is 331121312.

It can be written as a sum of positive squares in 2 ways, for example, as 2104699129 + 26512201 = 45877^2 + 5149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2131211299 and 2131211308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106560557 + ... + 106560576.

Almost surely, 2^2131211330 is an apocalyptic number.

2131211330 is a deficient number, since it is larger than the sum of its proper divisors (1704969082).

2131211330 is a wasteful number, since it uses less digits than its factorization.

2131211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213121140.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131211330 is about 46165.0444600674. The cubic root of 2131211330 is about 1286.8922104398.

Adding to 2131211330 its reverse (331121312), we get a palindrome (2462332642).

The spelling of 2131211330 in words is "two billion, one hundred thirty-one million, two hundred eleven thousand, three hundred thirty".