1223131013 has 8 divisors (see below), whose sum is σ = 1323840000. Its totient is φ = 1123368048.

The previous prime is 1223130991. The next prime is 1223131081. The reversal of 1223131013 is 3101313221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223131013 - 2⁶ = 1223130949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223130982 and 1223131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223131913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233813 + ... + 238986.

It is an arithmetic number, because the mean of its divisors is an integer number (165480000).

Almost surely, 2^1223131013 is an apocalyptic number.

1223131013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1223131013 is a deficient number, since it is larger than the sum of its proper divisors (100708987).

1223131013 is a wasteful number, since it uses less digits than its factorization.

1223131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473011.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1223131013 is about 34973.2899939368. The cubic root of 1223131013 is about 1069.4430423108.

Adding to 1223131013 its reverse (3101313221), we get a palindrome (4324444234).

The spelling of 1223131013 in words is "one billion, two hundred twenty-three million, one hundred thirty-one thousand, thirteen".