131012224040220 has 48 divisors (see below), whose sum is σ = 367171701485568. Its totient is φ = 34904452680000.

The previous prime is 131012224040197. The next prime is 131012224040251. The reversal of 131012224040220 is 22040422210131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004321656 + ... + 1004452095.

It is an arithmetic number, because the mean of its divisors is an integer number (7649410447616).

Almost surely, 2^{131012224040220} is an apocalyptic number.

131012224040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224040220 is an abundant number, since it is smaller than the sum of its proper divisors (236159477445348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131012224040220 is a wasteful number, since it uses less digits than its factorization.

131012224040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008774850 (or 2008774848 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131012224040220 its reverse (22040422210131), we get a palindrome (153052646250351).

The spelling of 131012224040220 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, forty thousand, two hundred twenty".