213032313 has 48 divisors (see below), whose sum is σ = 354768960. Its totient is φ = 122083200.

The previous prime is 213032311. The next prime is 213032333. The reversal of 213032313 is 313230312.

It is not a de Polignac number, because 213032313 - 2¹ = 213032311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213032311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134818 + ... + 136388.

It is an arithmetic number, because the mean of its divisors is an integer number (7391020).

Almost surely, 2^213032313 is an apocalyptic number.

It is an amenable number.

213032313 is a deficient number, since it is larger than the sum of its proper divisors (141736647).

213032313 is a wasteful number, since it uses less digits than its factorization.

213032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 213032313 is about 14595.6265024835. The cubic root of 213032313 is about 597.2394601784.

Adding to 213032313 its reverse (313230312), we get a palindrome (526262625).

It can be divided in two parts, 2130 and 32313, that added together give a palindrome (34443).

The spelling of 213032313 in words is "two hundred thirteen million, thirty-two thousand, three hundred thirteen".