131012222142320 has 40 divisors (see below), whose sum is σ = 304664668847136. Its totient is φ = 52394350815488.

The previous prime is 131012222142301. The next prime is 131012222142331. The reversal of 131012222142320 is 23241222210131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 131012222142320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164256572 + ... + 165052251.

Almost surely, 2^{131012222142320} is an apocalyptic number.

131012222142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012222142320 is an abundant number, since it is smaller than the sum of its proper divisors (173652446704816).

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

131012222142320 is a wasteful number, since it uses less digits than its factorization.

131012222142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329313809 (or 329313803 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131012222142320 its reverse (23241222210131), we get a palindrome (154253444352451).

The spelling of 131012222142320 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-two million, one hundred forty-two thousand, three hundred twenty".