421033021031 has 8 divisors (see below), whose sum is σ = 481218576384. Its totient is φ = 360856960920.

The previous prime is 421033021027. The next prime is 421033021081. The reversal of 421033021031 is 130120330124.

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

It is a cyclic number.

It is not a de Polignac number, because 421033021031 - 2² = 421033021027 is a prime.

It is a super-2 number, since 2×421033021031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421033020994 and 421033021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421033021081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278535 + ... + 2456376.

It is an arithmetic number, because the mean of its divisors is an integer number (60152322048).

Almost surely, 2^421033021031 is an apocalyptic number.

421033021031 is a deficient number, since it is larger than the sum of its proper divisors (60185555353).

421033021031 is a wasteful number, since it uses less digits than its factorization.

421033021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747621.

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

Adding to 421033021031 its reverse (130120330124), we get a palindrome (551153351155).

The spelling of 421033021031 in words is "four hundred twenty-one billion, thirty-three million, twenty-one thousand, thirty-one".