1421331302 has 8 divisors (see below), whose sum is σ = 2132428800. Its totient is φ = 710521704.

The previous prime is 1421331269. The next prime is 1421331313. The reversal of 1421331302 is 2031331241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1421331302³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59177 + ... + 79652.

It is an arithmetic number, because the mean of its divisors is an integer number (266553600).

Almost surely, 2^1421331302 is an apocalyptic number.

1421331302 is a deficient number, since it is larger than the sum of its proper divisors (711097498).

1421331302 is a wasteful number, since it uses less digits than its factorization.

1421331302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143950.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1421331302 is about 37700.5477679039. The cubic root of 1421331302 is about 1124.3420157633.

Adding to 1421331302 its reverse (2031331241), we get a palindrome (3452662543).

The spelling of 1421331302 in words is "one billion, four hundred twenty-one million, three hundred thirty-one thousand, three hundred two".