254343131 has 32 divisors (see below), whose sum is σ = 317011968. Its totient is φ = 199330560.

The previous prime is 254343121. The next prime is 254343161. The reversal of 254343131 is 131343452.

254343131 = 190² + 191² + ... + 916².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254343131 is a prime.

It is a super-2 number, since 2×254343131² = 129380856573766322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254343131.

It is not an unprimeable number, because it can be changed into a prime (254343121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349490 + ... + 350216.

It is an arithmetic number, because the mean of its divisors is an integer number (9906624).

Almost surely, 2^254343131 is an apocalyptic number.

254343131 is a deficient number, since it is larger than the sum of its proper divisors (62668837).

254343131 is a wasteful number, since it uses less digits than its factorization.

254343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 4320, while the sum is 26.

The square root of 254343131 is about 15948.1387942293. The cubic root of 254343131 is about 633.5876029503.

Adding to 254343131 its reverse (131343452), we get a palindrome (385686583).

The spelling of 254343131 in words is "two hundred fifty-four million, three hundred forty-three thousand, one hundred thirty-one".