331121212231130 has 8 divisors (see below), whose sum is σ = 596018182016052. Its totient is φ = 132448484892448.

The previous prime is 331121212231123. The next prime is 331121212231193. The reversal of 331121212231130 is 31132212121133.

It can be written as a sum of positive squares in 2 ways, for example, as 300492968181289 + 30628244049841 = 17334733^2 + 5534279^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331121212231130.

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, 16556060611547 + ... + 16556060611566.

Almost surely, 2^{331121212231130} is an apocalyptic number.

331121212231130 is a deficient number, since it is larger than the sum of its proper divisors (264896969784922).

331121212231130 is a wasteful number, since it uses less digits than its factorization.

331121212231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112121223120.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 331121212231130 its reverse (31132212121133), we get a palindrome (362253424352263).

The spelling of 331121212231130 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty-one thousand, one hundred thirty".