421031043102 has 32 divisors (see below), whose sum is σ = 845441017344. Its totient is φ = 139780659200.

The previous prime is 421031043091. The next prime is 421031043113. The reversal of 421031043102 is 201340130124.

It is an interprime number because it is at equal distance from previous prime (421031043091) and next prime (421031043113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24341077 + ... + 24358367.

It is an arithmetic number, because the mean of its divisors is an integer number (26420031792).

Almost surely, 2^421031043102 is an apocalyptic number.

421031043102 is an abundant number, since it is smaller than the sum of its proper divisors (424409974242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421031043102 is a wasteful number, since it uses less digits than its factorization.

421031043102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33344.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 421031043102 its reverse (201340130124), we get a palindrome (622371173226).

The spelling of 421031043102 in words is "four hundred twenty-one billion, thirty-one million, forty-three thousand, one hundred two".