131421033243 has 12 divisors (see below), whose sum is σ = 196376256960. Its totient is φ = 84592848816.

The previous prime is 131421033203. The next prime is 131421033283. The reversal of 131421033243 is 342330124131.

It is a happy number.

131421033243 is a `hidden beast` number, since 1 + 314 + 2 + 10 + 332 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (131421033203) and next prime (131421033283).

It is not a de Polignac number, because 131421033243 - 2⁶ = 131421033179 is a prime.

It is a super-2 number, since 2×131421033243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131421033203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251764171 + ... + 251764692.

It is an arithmetic number, because the mean of its divisors is an integer number (16364688080).

Almost surely, 2^131421033243 is an apocalyptic number.

131421033243 is a deficient number, since it is larger than the sum of its proper divisors (64955223717).

131421033243 is a wasteful number, since it uses less digits than its factorization.

131421033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503528898 (or 503528895 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131421033243 its reverse (342330124131), we get a palindrome (473751157374).

The spelling of 131421033243 in words is "one hundred thirty-one billion, four hundred twenty-one million, thirty-three thousand, two hundred forty-three".