131233424002 has 4 divisors (see below), whose sum is σ = 196850136006. Its totient is φ = 65616712000.

The previous prime is 131233423991. The next prime is 131233424011. The reversal of 131233424002 is 200424332131.

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., 110030860681 + 21202563321 = 331709^2 + 145611^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32808355999 + ... + 32808356002.

Almost surely, 2^131233424002 is an apocalyptic number.

131233424002 is a deficient number, since it is larger than the sum of its proper divisors (65616712004).

131233424002 is an equidigital number, since it uses as much as digits as its factorization.

131233424002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65616712003.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 131233424002 its reverse (200424332131), we get a palindrome (331657756133).

It can be divided in two parts, 1312334 and 24002, that added together give a 4-th power (1336336 = 34⁴).

The spelling of 131233424002 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred twenty-four thousand, two".