421040333333031 has 4 divisors (see below), whose sum is σ = 561387111110712. Its totient is φ = 280693555555352.

The previous prime is 421040333333021. The next prime is 421040333333101. The reversal of 421040333333031 is 130333333040124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421040333333031 - 2⁹ = 421040333332519 is a prime.

It is a super-2 number, since 2×421040333333031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421040333332983 and 421040333333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421040333333021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70173388888836 + ... + 70173388888841.

It is an arithmetic number, because the mean of its divisors is an integer number (140346777777678).

Almost surely, 2^{421040333333031} is an apocalyptic number.

421040333333031 is a deficient number, since it is larger than the sum of its proper divisors (140346777777681).

421040333333031 is a wasteful number, since it uses less digits than its factorization.

421040333333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140346777777680.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 421040333333031 its reverse (130333333040124), we get a palindrome (551373666373155).

The spelling of 421040333333031 in words is "four hundred twenty-one trillion, forty billion, three hundred thirty-three million, three hundred thirty-three thousand, thirty-one".