35231213 has 4 divisors (see below), whose sum is σ = 35757120. Its totient is φ = 34705308.

The previous prime is 35231179. The next prime is 35231237. The reversal of 35231213 is 31213253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31213253 = 3457 ⋅9029.

It is a cyclic number.

It is not a de Polignac number, because 35231213 - 2¹² = 35227117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35231243) 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, 262853 + ... + 262986.

It is an arithmetic number, because the mean of its divisors is an integer number (8939280).

Almost surely, 2^35231213 is an apocalyptic number.

It is an amenable number.

35231213 is a deficient number, since it is larger than the sum of its proper divisors (525907).

35231213 is an equidigital number, since it uses as much as digits as its factorization.

35231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525906.

The product of its digits is 540, while the sum is 20.

The square root of 35231213 is about 5935.5886818411. The cubic root of 35231213 is about 327.8253488448.

Adding to 35231213 its reverse (31213253), we get a palindrome (66444466).

The spelling of 35231213 in words is "thirty-five million, two hundred thirty-one thousand, two hundred thirteen".