4021402412031 has 8 divisors (see below), whose sum is σ = 5361923683584. Its totient is φ = 2680908040920.

The previous prime is 4021402412029. The next prime is 4021402412033. The reversal of 4021402412031 is 1302142041204.

It is an interprime number because it is at equal distance from previous prime (4021402412029) and next prime (4021402412033).

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

It is not a de Polignac number, because 4021402412031 - 2¹ = 4021402412029 is a prime.

It is a super-2 number, since 2×4021402412031² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021402411992 and 4021402412010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021402412033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373671 + ... + 6976136.

It is an arithmetic number, because the mean of its divisors is an integer number (670240460448).

Almost surely, 2^{4021402412031} is an apocalyptic number.

4021402412031 is a deficient number, since it is larger than the sum of its proper divisors (1340521271553).

4021402412031 is a wasteful number, since it uses less digits than its factorization.

4021402412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450221.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4021402412031 its reverse (1302142041204), we get a palindrome (5323544453235).

The spelling of 4021402412031 in words is "four trillion, twenty-one billion, four hundred two million, four hundred twelve thousand, thirty-one".