514243031 has 2 divisors, whose sum is σ = 514243032. Its totient is φ = 514243030.

The previous prime is 514243007. The next prime is 514243043. The reversal of 514243031 is 130342415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514243031 is a prime.

It is a super-2 number, since 2×514243031² = 528891789864133922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 514242988 and 514243006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514243091) 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 as a sum of consecutive naturals, namely, 257121515 + 257121516.

It is an arithmetic number, because the mean of its divisors is an integer number (257121516).

Almost surely, 2^514243031 is an apocalyptic number.

514243031 is a deficient number, since it is larger than the sum of its proper divisors (1).

514243031 is an equidigital number, since it uses as much as digits as its factorization.

514243031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 514243031 is about 22676.9272830337. The cubic root of 514243031 is about 801.1665434562.

Adding to 514243031 its reverse (130342415), we get a palindrome (644585446).

The spelling of 514243031 in words is "five hundred fourteen million, two hundred forty-three thousand, thirty-one".