131734212331 has 4 divisors (see below), whose sum is σ = 132078166272. Its totient is φ = 131390258392.

The previous prime is 131734212299. The next prime is 131734212353. The reversal of 131734212331 is 133212437131.

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

It is a cyclic number.

It is not a de Polignac number, because 131734212331 - 2⁵ = 131734212299 is a prime.

It is a super-2 number, since 2×131734212331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131734212293 and 131734212302.

It is not an unprimeable number, because it can be changed into a prime (131734212371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171976396 + ... + 171977161.

It is an arithmetic number, because the mean of its divisors is an integer number (33019541568).

Almost surely, 2^131734212331 is an apocalyptic number.

131734212331 is a deficient number, since it is larger than the sum of its proper divisors (343953941).

131734212331 is an equidigital number, since it uses as much as digits as its factorization.

131734212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343953940.

The product of its digits is 9072, while the sum is 31.

Adding to 131734212331 its reverse (133212437131), we get a palindrome (264946649462).

The spelling of 131734212331 in words is "one hundred thirty-one billion, seven hundred thirty-four million, two hundred twelve thousand, three hundred thirty-one".