421210444031 has 16 divisors (see below), whose sum is σ = 483960663648. Its totient is φ = 363145036800.

The previous prime is 421210444019. The next prime is 421210444033. The reversal of 421210444031 is 130444012124.

It is not a de Polignac number, because 421210444031 - 2¹⁴ = 421210427647 is a prime.

It is a super-2 number, since 2×421210444031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421210444033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7245590 + ... + 7303491.

It is an arithmetic number, because the mean of its divisors is an integer number (30247541478).

Almost surely, 2^421210444031 is an apocalyptic number.

421210444031 is a deficient number, since it is larger than the sum of its proper divisors (62750219617).

421210444031 is a wasteful number, since it uses less digits than its factorization.

421210444031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14549242.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 421210444031 its reverse (130444012124), we get a palindrome (551654456155).

The spelling of 421210444031 in words is "four hundred twenty-one billion, two hundred ten million, four hundred forty-four thousand, thirty-one".