402130011 has 4 divisors (see below), whose sum is σ = 536173352. Its totient is φ = 268086672.

The previous prime is 402129997. The next prime is 402130051. The reversal of 402130011 is 110031204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 402130011 - 2⁹ = 402129499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402130051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67021666 + ... + 67021671.

It is an arithmetic number, because the mean of its divisors is an integer number (134043338).

Almost surely, 2^402130011 is an apocalyptic number.

402130011 is a deficient number, since it is larger than the sum of its proper divisors (134043341).

402130011 is a wasteful number, since it uses less digits than its factorization.

402130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134043340.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 402130011 is about 20053.1795733245. The cubic root of 402130011 is about 738.1118230831. Note that the first 3 decimals are identical.

Adding to 402130011 its reverse (110031204), we get a palindrome (512161215).

The spelling of 402130011 in words is "four hundred two million, one hundred thirty thousand, eleven".