13313231002 has 4 divisors (see below), whose sum is σ = 19969846506. Its totient is φ = 6656615500.

The previous prime is 13313230979. The next prime is 13313231003. The reversal of 13313231002 is 20013231331.

13313231002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9101350801 + 4211880201 = 95401^2 + 64899^2 .

It is a super-2 number, since 2×13313231002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13313231003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328307749 + ... + 3328307752.

Almost surely, 2^13313231002 is an apocalyptic number.

13313231002 is a deficient number, since it is larger than the sum of its proper divisors (6656615504).

13313231002 is an equidigital number, since it uses as much as digits as its factorization.

13313231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656615503.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13313231002 its reverse (20013231331), we get a palindrome (33326462333).

The spelling of 13313231002 in words is "thirteen billion, three hundred thirteen million, two hundred thirty-one thousand, two".