131224402010 has 16 divisors (see below), whose sum is σ = 254373456456. Its totient is φ = 48452086848.

The previous prime is 131224401947. The next prime is 131224402019. The reversal of 131224402010 is 10204422131.

It can be written as a sum of positive squares in 4 ways, for example, as 97320913369 + 33903488641 = 311963^2 + 184129^2 .

It is not an unprimeable number, because it can be changed into a prime (131224402019) 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, 504709109 + ... + 504709368.

Almost surely, 2^131224402010 is an apocalyptic number.

131224402010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131224402010 is a deficient number, since it is larger than the sum of its proper divisors (123149054446).

131224402010 is a wasteful number, since it uses less digits than its factorization.

131224402010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009418497.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 131224402010 its reverse (10204422131), we get a palindrome (141428824141).

The spelling of 131224402010 in words is "one hundred thirty-one billion, two hundred twenty-four million, four hundred two thousand, ten".