351132112213 has 4 divisors (see below), whose sum is σ = 351151093420. Its totient is φ = 351113131008.

The previous prime is 351132112211. The next prime is 351132112231. The reversal of 351132112213 is 312211231153.

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

It can be written as a sum of positive squares in 2 ways, for example, as 127447572004 + 223684540209 = 356998^2 + 472953^2 .

It is a cyclic number.

It is not a de Polignac number, because 351132112213 - 2¹ = 351132112211 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 (351132112211) 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, 9462828 + ... + 9499861.

It is an arithmetic number, because the mean of its divisors is an integer number (87787773355).

Almost surely, 2^351132112213 is an apocalyptic number.

It is an amenable number.

351132112213 is a deficient number, since it is larger than the sum of its proper divisors (18981207).

351132112213 is a wasteful number, since it uses less digits than its factorization.

351132112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18981206.

The product of its digits is 1080, while the sum is 25.

Adding to 351132112213 its reverse (312211231153), we get a palindrome (663343343366).

The spelling of 351132112213 in words is "three hundred fifty-one billion, one hundred thirty-two million, one hundred twelve thousand, two hundred thirteen".