1331230030 has 32 divisors (see below), whose sum is σ = 2650292064. Its totient is φ = 478244736.

The previous prime is 1331230013. The next prime is 1331230031. The reversal of 1331230030 is 300321331.

It is a junction number, because it is equal to n+sod(n) for n = 1331229986 and 1331230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331230031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133572 + ... + 143191.

It is an arithmetic number, because the mean of its divisors is an integer number (82821627).

Almost surely, 2^1331230030 is an apocalyptic number.

1331230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331230030 is a deficient number, since it is larger than the sum of its proper divisors (1319062034).

1331230030 is a wasteful number, since it uses less digits than its factorization.

1331230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276820.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1331230030 is about 36486.0251329190. The cubic root of 1331230030 is about 1100.0633654958.

Adding to 1331230030 its reverse (300321331), we get a palindrome (1631551361).

It can be divided in two parts, 1331 and 230030, that added together give a square (231361 = 481²).

The spelling of 1331230030 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, thirty".