10302021234 has 64 divisors (see below), whose sum is σ = 23338327680. Its totient is φ = 3367604160.

The previous prime is 10302021229. The next prime is 10302021239. The reversal of 10302021234 is 43212020301.

It is an interprime number because it is at equal distance from previous prime (10302021229) and next prime (10302021239).

It is a super-2 number, since 2×10302021234² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10302021239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138512 + ... + 1147524.

It is an arithmetic number, because the mean of its divisors is an integer number (364661370).

Almost surely, 2^10302021234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10302021234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11669163840).

10302021234 is an abundant number, since it is smaller than the sum of its proper divisors (13036306446).

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

10302021234 is a wasteful number, since it uses less digits than its factorization.

10302021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10302021234 its reverse (43212020301), we get a palindrome (53514041535).

The spelling of 10302021234 in words is "ten billion, three hundred two million, twenty-one thousand, two hundred thirty-four".