131212240432310 has 64 divisors (see below), whose sum is σ = 237617181884160. Its totient is φ = 52167172563840.

The previous prime is 131212240432261. The next prime is 131212240432321. The reversal of 131212240432310 is 13234042212131.

It is a happy number.

It is a super-2 number, since 2×131212240432310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1573454096 + ... + 1573537484.

It is an arithmetic number, because the mean of its divisors is an integer number (3712768466940).

Almost surely, 2^{131212240432310} is an apocalyptic number.

131212240432310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212240432310 is a deficient number, since it is larger than the sum of its proper divisors (106404941451850).

131212240432310 is a wasteful number, since it uses less digits than its factorization.

131212240432310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85181.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131212240432310 its reverse (13234042212131), we get a palindrome (144446282644441).

The spelling of 131212240432310 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty million, four hundred thirty-two thousand, three hundred ten".