10031121324 has 120 divisors (see below), whose sum is σ = 30245218080. Its totient is φ = 2839670784.

The previous prime is 10031121323. The next prime is 10031121349. The reversal of 10031121324 is 42312113001.

10031121324 is a `hidden beast` number, since 10 + 0 + 311 + 21 + 324 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 10031121297 and 10031121306.

It is not an unprimeable number, because it can be changed into a prime (10031121323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 226924 + ... + 267500.

It is an arithmetic number, because the mean of its divisors is an integer number (252043484).

Almost surely, 2^10031121324 is an apocalyptic number.

10031121324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031121324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15122609040).

10031121324 is an abundant number, since it is smaller than the sum of its proper divisors (20214096756).

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

10031121324 is a wasteful number, since it uses less digits than its factorization.

10031121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40709 (or 40698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10031121324 its reverse (42312113001), we get a palindrome (52343234325).

The spelling of 10031121324 in words is "ten billion, thirty-one million, one hundred twenty-one thousand, three hundred twenty-four".