131244423002 has 16 divisors (see below), whose sum is σ = 245444116032. Its totient is φ = 51134190720.

The previous prime is 131244422987. The next prime is 131244423007. The reversal of 131244423002 is 200324442131.

It is not an unprimeable number, because it can be changed into a prime (131244423007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426118103 + ... + 426118410.

It is an arithmetic number, because the mean of its divisors is an integer number (15340257252).

Almost surely, 2^131244423002 is an apocalyptic number.

131244423002 is a deficient number, since it is larger than the sum of its proper divisors (114199693030).

131244423002 is a wasteful number, since it uses less digits than its factorization.

131244423002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852236533.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131244423002 its reverse (200324442131), we get a palindrome (331568865133).

The spelling of 131244423002 in words is "one hundred thirty-one billion, two hundred forty-four million, four hundred twenty-three thousand, two".