131012440222402 has 16 divisors (see below), whose sum is σ = 201190756824000. Its totient is φ = 63963757633840.

The previous prime is 131012440222361. The next prime is 131012440222421. The reversal of 131012440222402 is 204222044210131.

131012440222402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131012440222402² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3725737174 + ... + 3725772337.

It is an arithmetic number, because the mean of its divisors is an integer number (12574422301500).

Almost surely, 2^{131012440222402} is an apocalyptic number.

131012440222402 is a deficient number, since it is larger than the sum of its proper divisors (70178316601598).

131012440222402 is a wasteful number, since it uses less digits than its factorization.

131012440222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451509721.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 131012440222402 its reverse (204222044210131), we get a palindrome (335234484432533).

The spelling of 131012440222402 in words is "one hundred thirty-one trillion, twelve billion, four hundred forty million, two hundred twenty-two thousand, four hundred two".