2120302131 has 16 divisors (see below), whose sum is σ = 3056294400. Its totient is φ = 1302943968.

The previous prime is 2120302109. The next prime is 2120302139. The reversal of 2120302131 is 1312030212.

It is not a de Polignac number, because 2120302131 - 2⁵ = 2120302099 is a prime.

It is a super-2 number, since 2×2120302131² = 8991362253446282322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120302131.

It is not an unprimeable number, because it can be changed into a prime (2120302139) 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, 500571 + ... + 504788.

It is an arithmetic number, because the mean of its divisors is an integer number (191018400).

Almost surely, 2^2120302131 is an apocalyptic number.

2120302131 is a deficient number, since it is larger than the sum of its proper divisors (935992269).

2120302131 is a wasteful number, since it uses less digits than its factorization.

2120302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005418.

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

The square root of 2120302131 is about 46046.7385490004. The cubic root of 2120302131 is about 1284.6926810790.

Adding to 2120302131 its reverse (1312030212), we get a palindrome (3432332343).

The spelling of 2120302131 in words is "two billion, one hundred twenty million, three hundred two thousand, one hundred thirty-one".