1427142931 has 2 divisors, whose sum is σ = 1427142932. Its totient is φ = 1427142930.

The previous prime is 1427142929. The next prime is 1427142943. The reversal of 1427142931 is 1392417241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1427142931 - 2¹ = 1427142929 is a prime.

It is a super-2 number, since 2×1427142931² = 4073473891006541522, which contains 22 as substring.

Together with 1427142929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1427142131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713571465 + 713571466.

It is an arithmetic number, because the mean of its divisors is an integer number (713571466).

Almost surely, 2^1427142931 is an apocalyptic number.

1427142931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427142931 is an equidigital number, since it uses as much as digits as its factorization.

1427142931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 1427142931 is about 37777.5453278796. The cubic root of 1427142931 is about 1125.8723586972.

The spelling of 1427142931 in words is "one billion, four hundred twenty-seven million, one hundred forty-two thousand, nine hundred thirty-one".