2130402213 has 6 divisors (see below), whose sum is σ = 3077247654. Its totient is φ = 1420268136.

The previous prime is 2130402193. The next prime is 2130402233. The reversal of 2130402213 is 3122040312.

2130402213 is a `hidden beast` number, since 21 + 30 + 402 + 213 = 666.

It is an interprime number because it is at equal distance from previous prime (2130402193) and next prime (2130402233).

It can be written as a sum of positive squares in only one way, i.e., 1669784769 + 460617444 = 40863^2 + 21462^2 .

It is not a de Polignac number, because 2130402213 - 2⁹ = 2130401701 is a prime.

It is a super-2 number, since 2×2130402213² = 9077227178310594738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130402233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118355670 + ... + 118355687.

It is an arithmetic number, because the mean of its divisors is an integer number (512874609).

Almost surely, 2^2130402213 is an apocalyptic number.

It is an amenable number.

2130402213 is a deficient number, since it is larger than the sum of its proper divisors (946845441).

2130402213 is a wasteful number, since it uses less digits than its factorization.

2130402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236711363 (or 236711360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2130402213 is about 46156.2803202338. The cubic root of 2130402213 is about 1286.7293330896.

Adding to 2130402213 its reverse (3122040312), we get a palindrome (5252442525).

The spelling of 2130402213 in words is "two billion, one hundred thirty million, four hundred two thousand, two hundred thirteen".