213011402 has 8 divisors (see below), whose sum is σ = 319847076. Its totient is φ = 106395712.

The previous prime is 213011389. The next prime is 213011453. The reversal of 213011402 is 204110312.

213011402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 175324081 + 37687321 = 13241^2 + 6139^2 .

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

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, 52553 + ... + 56460.

Almost surely, 2^213011402 is an apocalyptic number.

213011402 is a deficient number, since it is larger than the sum of its proper divisors (106835674).

213011402 is a wasteful number, since it uses less digits than its factorization.

213011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109992.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 213011402 is about 14594.9101401824. The cubic root of 213011402 is about 597.2199180992.

Adding to 213011402 its reverse (204110312), we get a palindrome (417121714).

The spelling of 213011402 in words is "two hundred thirteen million, eleven thousand, four hundred two".