1331230047 has 16 divisors (see below), whose sum is σ = 2029896960. Its totient is φ = 760194432.

The previous prime is 1331230031. The next prime is 1331230051. The reversal of 1331230047 is 7400321331.

It is not a de Polignac number, because 1331230047 - 2⁴ = 1331230031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331229999 and 1331230026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331230057) 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, 12204 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (126868560).

Almost surely, 2^1331230047 is an apocalyptic number.

1331230047 is a deficient number, since it is larger than the sum of its proper divisors (698666913).

1331230047 is a wasteful number, since it uses less digits than its factorization.

1331230047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42382.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1331230047 is about 36486.0253658850. The cubic root of 1331230047 is about 1100.0633701784.

Adding to 1331230047 its reverse (7400321331), we get a palindrome (8731551378).

The spelling of 1331230047 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, forty-seven".