2131212302 has 16 divisors (see below), whose sum is σ = 3209391024. Its totient is φ = 1061424000.

The previous prime is 2131212299. The next prime is 2131212319. The reversal of 2131212302 is 2032121312.

It is a super-2 number, since 2×2131212302² = 9084131752392278408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681302 + ... + 684422.

It is an arithmetic number, because the mean of its divisors is an integer number (200586939).

Almost surely, 2^2131212302 is an apocalyptic number.

2131212302 is a deficient number, since it is larger than the sum of its proper divisors (1078178722).

2131212302 is a wasteful number, since it uses less digits than its factorization.

2131212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131212302 is about 46165.0549875119. The cubic root of 2131212302 is about 1286.8924060811.

Adding to 2131212302 its reverse (2032121312), we get a palindrome (4163333614).

The spelling of 2131212302 in words is "two billion, one hundred thirty-one million, two hundred twelve thousand, three hundred two".