421311332 has 24 divisors (see below), whose sum is σ = 828534336. Its totient is φ = 185996448.

The previous prime is 421311329. The next prime is 421311349. The reversal of 421311332 is 233113124.

It is a super-2 number, since 2×421311332² = 355006476943228448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174938 + ... + 177329.

It is an arithmetic number, because the mean of its divisors is an integer number (34522264).

Almost surely, 2^421311332 is an apocalyptic number.

It is an amenable number.

421311332 is a deficient number, since it is larger than the sum of its proper divisors (407223004).

421311332 is a wasteful number, since it uses less digits than its factorization.

421311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352307 (or 352305 counting only the distinct ones).

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

The square root of 421311332 is about 20525.8698232255. The cubic root of 421311332 is about 749.6658256440.

Adding to 421311332 its reverse (233113124), we get a palindrome (654424456).

The spelling of 421311332 in words is "four hundred twenty-one million, three hundred eleven thousand, three hundred thirty-two".