420031112 has 8 divisors (see below), whose sum is σ = 787558350. Its totient is φ = 210015552.

The previous prime is 420031109. The next prime is 420031153. The reversal of 420031112 is 211130024.

It can be written as a sum of positive squares in only one way, i.e., 376127236 + 43903876 = 19394^2 + 6626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×420031112² = 352852270095913088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251937 + ... + 26251952.

Almost surely, 2^420031112 is an apocalyptic number.

It is an amenable number.

420031112 is a deficient number, since it is larger than the sum of its proper divisors (367527238).

420031112 is a wasteful number, since it uses less digits than its factorization.

420031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52503895 (or 52503891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 420031112 is about 20494.6605729395. The cubic root of 420031112 is about 748.9057298365.

Adding to 420031112 its reverse (211130024), we get a palindrome (631161136).

The spelling of 420031112 in words is "four hundred twenty million, thirty-one thousand, one hundred twelve".