131012224202420 has 48 divisors (see below), whose sum is σ = 315933784689600. Its totient is φ = 45133397809920.

The previous prime is 131012224202417. The next prime is 131012224202443. The reversal of 131012224202420 is 24202422210131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131012224202420.

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, 15671314505 + ... + 15671322864.

It is an arithmetic number, because the mean of its divisors is an integer number (6581953847700).

Almost surely, 2^{131012224202420} is an apocalyptic number.

131012224202420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224202420 is an abundant number, since it is smaller than the sum of its proper divisors (184921560487180).

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

131012224202420 is a wasteful number, since it uses less digits than its factorization.

131012224202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31342637408 (or 31342637406 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 131012224202420 its reverse (24202422210131), we get a palindrome (155214646412551).

The spelling of 131012224202420 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred two thousand, four hundred twenty".