131211222010040 has 32 divisors (see below), whose sum is σ = 304748644671360. Its totient is φ = 50791440777600.

The previous prime is 131211222010007. The next prime is 131211222010051. The reversal of 131211222010040 is 40010222112131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131211222009994 and 131211222010021.

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, 52907749571 + ... + 52907752050.

It is an arithmetic number, because the mean of its divisors is an integer number (9523395145980).

Almost surely, 2^{131211222010040} is an apocalyptic number.

131211222010040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211222010040 is an abundant number, since it is smaller than the sum of its proper divisors (173537422661320).

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

131211222010040 is a wasteful number, since it uses less digits than its factorization.

131211222010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105815501663 (or 105815501659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131211222010040 its reverse (40010222112131), we get a palindrome (171221444122171).

The spelling of 131211222010040 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, ten thousand, forty".