13631150023213 has 4 divisors (see below), whose sum is σ = 13921174491840. Its totient is φ = 13341125554588.

The previous prime is 13631150023171. The next prime is 13631150023297. The reversal of 13631150023213 is 31232005113631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-13631150023213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631150023613) 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, 145012234243 + ... + 145012234336.

It is an arithmetic number, because the mean of its divisors is an integer number (3480293622960).

Almost surely, 2^{13631150023213} is an apocalyptic number.

It is an amenable number.

13631150023213 is a deficient number, since it is larger than the sum of its proper divisors (290024468627).

13631150023213 is an equidigital number, since it uses as much as digits as its factorization.

13631150023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290024468626.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 13631150023213 its reverse (31232005113631), we get a palindrome (44863155136844).

The spelling of 13631150023213 in words is "thirteen trillion, six hundred thirty-one billion, one hundred fifty million, twenty-three thousand, two hundred thirteen".