1331031230 has 8 divisors (see below), whose sum is σ = 2395856232. Its totient is φ = 532412488.

The previous prime is 1331031217. The next prime is 1331031239. The reversal of 1331031230 is 321301331.

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

It is a super-3 number, since 3×1331031230³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1331031199 and 1331031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331031239) 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, 66551552 + ... + 66551571.

It is an arithmetic number, because the mean of its divisors is an integer number (299482029).

Almost surely, 2^1331031230 is an apocalyptic number.

1331031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331031230 is a deficient number, since it is larger than the sum of its proper divisors (1064825002).

1331031230 is a wasteful number, since it uses less digits than its factorization.

1331031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133103130.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331031230 is about 36483.3007004575. The cubic root of 1331031230 is about 1100.0086032385.

Adding to 1331031230 its reverse (321301331), we get a palindrome (1652332561).

The spelling of 1331031230 in words is "one billion, three hundred thirty-one million, thirty-one thousand, two hundred thirty".