1233131047 has 16 divisors (see below), whose sum is σ = 1285919712. Its totient is φ = 1181537280.

The previous prime is 1233131033. The next prime is 1233131059. The reversal of 1233131047 is 7401313321.

It is a cyclic number.

It is not a de Polignac number, because 1233131047 - 2¹¹ = 1233128999 is a prime.

It is a super-2 number, since 2×1233131047² = 3041224358150632418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233131947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628593 + ... + 1629349.

It is an arithmetic number, because the mean of its divisors is an integer number (80369982).

Almost surely, 2^1233131047 is an apocalyptic number.

1233131047 is a deficient number, since it is larger than the sum of its proper divisors (52788665).

1233131047 is an equidigital number, since it uses as much as digits as its factorization.

1233131047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1233131047 is about 35115.9656993795. The cubic root of 1233131047 is about 1072.3496410801.

Adding to 1233131047 its reverse (7401313321), we get a palindrome (8634444368).

The spelling of 1233131047 in words is "one billion, two hundred thirty-three million, one hundred thirty-one thousand, forty-seven".