1427531107 has 2 divisors, whose sum is σ = 1427531108. Its totient is φ = 1427531106.

The previous prime is 1427531099. The next prime is 1427531111. The reversal of 1427531107 is 7011357241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427531107 - 2³ = 1427531099 is a prime.

It is a super-2 number, since 2×1427531107² = 4075690122905290898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1427535107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713765553 + 713765554.

It is an arithmetic number, because the mean of its divisors is an integer number (713765554).

Almost surely, 2^1427531107 is an apocalyptic number.

1427531107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427531107 is an equidigital number, since it uses as much as digits as its factorization.

1427531107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1427531107 is about 37782.6826337146. The cubic root of 1427531107 is about 1125.9744267291.

Adding to 1427531107 its reverse (7011357241), we get a palindrome (8438888348).

The spelling of 1427531107 in words is "one billion, four hundred twenty-seven million, five hundred thirty-one thousand, one hundred seven".