131020213243144 has 32 divisors (see below), whose sum is σ = 245919953664000. Its totient is φ = 65441591969472.

The previous prime is 131020213243111. The next prime is 131020213243169. The reversal of 131020213243144 is 441342312020131.

It is a happy 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, 29696377 + ... + 33821815.

It is an arithmetic number, because the mean of its divisors is an integer number (7684998552000).

Almost surely, 2^{131020213243144} is an apocalyptic number.

It is an amenable number.

131020213243144 is a deficient number, since it is larger than the sum of its proper divisors (114899740420856).

131020213243144 is a wasteful number, since it uses less digits than its factorization.

131020213243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129597 (or 4129593 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131020213243144 its reverse (441342312020131), we get a palindrome (572362525263275).

The spelling of 131020213243144 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirteen million, two hundred forty-three thousand, one hundred forty-four".