131342434421312 has 14 divisors (see below), whose sum is σ = 260632643304918. Its totient is φ = 65671217210624.

The previous prime is 131342434421269. The next prime is 131342434421347. The reversal of 131342434421312 is 213124434243131.

It can be written as a sum of positive squares in only one way, i.e., 122576429387776 + 8766005033536 = 11071424^2 + 2960744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026112768853 + ... + 1026112768980.

Almost surely, 2^{131342434421312} is an apocalyptic number.

It is an amenable number.

131342434421312 is a deficient number, since it is larger than the sum of its proper divisors (129290208883606).

131342434421312 is an equidigital number, since it uses as much as digits as its factorization.

131342434421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052225537845 (or 2052225537835 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

Adding to 131342434421312 its reverse (213124434243131), we get a palindrome (344466868664443).

The spelling of 131342434421312 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred thirty-four million, four hundred twenty-one thousand, three hundred twelve".