1514820431 has 2 divisors, whose sum is σ = 1514820432. Its totient is φ = 1514820430.

The previous prime is 1514820413. The next prime is 1514820443. The reversal of 1514820431 is 1340284151.

Together with previous prime (1514820413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1340284151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1514820431 - 2¹⁰ = 1514819407 is a prime.

It is a super-2 number, since 2×1514820431² = 4589361876350051522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1514820394 and 1514820403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1514820631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757410215 + 757410216.

It is an arithmetic number, because the mean of its divisors is an integer number (757410216).

Almost surely, 2^1514820431 is an apocalyptic number.

1514820431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1514820431 is an equidigital number, since it uses as much as digits as its factorization.

1514820431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1514820431 is about 38920.6941227928. The cubic root of 1514820431 is about 1148.4719291282.

The spelling of 1514820431 in words is "one billion, five hundred fourteen million, eight hundred twenty thousand, four hundred thirty-one".