1421531314 has 32 divisors (see below), whose sum is σ = 2471575680. Its totient is φ = 600611328.

The previous prime is 1421531311. The next prime is 1421531323. The reversal of 1421531314 is 4131351241.

It is not an unprimeable number, because it can be changed into a prime (1421531311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374277 + ... + 378055.

It is an arithmetic number, because the mean of its divisors is an integer number (77236740).

Almost surely, 2^1421531314 is an apocalyptic number.

1421531314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1421531314 is a deficient number, since it is larger than the sum of its proper divisors (1050044366).

1421531314 is a wasteful number, since it uses less digits than its factorization.

1421531314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162.

The product of its digits is 1440, while the sum is 25.

The square root of 1421531314 is about 37703.2003150926. The cubic root of 1421531314 is about 1124.3947530215.

Adding to 1421531314 its reverse (4131351241), we get a palindrome (5552882555).

The spelling of 1421531314 in words is "one billion, four hundred twenty-one million, five hundred thirty-one thousand, three hundred fourteen".