131211222012330 has 64 divisors (see below), whose sum is σ = 314967211665408. Its totient is φ = 34982962378560.

The previous prime is 131211222012313. The next prime is 131211222012359. The reversal of 131211222012330 is 33210222112131.

It is a self number, because there is not a number n which added to its sum of digits gives 131211222012330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5255373507 + ... + 5255398473.

It is an arithmetic number, because the mean of its divisors is an integer number (4921362682272).

Almost surely, 2^{131211222012330} is an apocalyptic number.

131211222012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211222012330 is an abundant number, since it is smaller than the sum of its proper divisors (183755989653078).

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

131211222012330 is a wasteful number, since it uses less digits than its factorization.

131211222012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51491.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131211222012330 its reverse (33210222112131), we get a palindrome (164421444124461).

The spelling of 131211222012330 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, twelve thousand, three hundred thirty".