131243331334 has 4 divisors (see below), whose sum is σ = 196864997004. Its totient is φ = 65621665666.

The previous prime is 131243331311. The next prime is 131243331343. The reversal of 131243331334 is 433133342131.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×131243331334² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131243331296 and 131243331305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32810832832 + ... + 32810832835.

It is an arithmetic number, because the mean of its divisors is an integer number (49216249251).

Almost surely, 2^131243331334 is an apocalyptic number.

131243331334 is a deficient number, since it is larger than the sum of its proper divisors (65621665670).

131243331334 is an equidigital number, since it uses as much as digits as its factorization.

131243331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65621665669.

The product of its digits is 23328, while the sum is 31.

Adding to 131243331334 its reverse (433133342131), we get a palindrome (564376673465).

The spelling of 131243331334 in words is "one hundred thirty-one billion, two hundred forty-three million, three hundred thirty-one thousand, three hundred thirty-four".