420131312 has 10 divisors (see below), whose sum is σ = 814004448. Its totient is φ = 210065648.

The previous prime is 420131311. The next prime is 420131333. The reversal of 420131312 is 213131024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420131311) 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, 13129088 + ... + 13129119.

Almost surely, 2^420131312 is an apocalyptic number.

It is an amenable number.

420131312 is a deficient number, since it is larger than the sum of its proper divisors (393873136).

420131312 is a wasteful number, since it uses less digits than its factorization.

420131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26258215 (or 26258209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 420131312 is about 20497.1049663117. The cubic root of 420131312 is about 748.9652765270.

Adding to 420131312 its reverse (213131024), we get a palindrome (633262336).

The spelling of 420131312 in words is "four hundred twenty million, one hundred thirty-one thousand, three hundred twelve".