10031121330 has 32 divisors (see below), whose sum is σ = 25121418624. Its totient is φ = 2558662656.

The previous prime is 10031121323. The next prime is 10031121349. The reversal of 10031121330 is 3312113001.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 7268239 + ... + 7269618.

It is an arithmetic number, because the mean of its divisors is an integer number (785044332).

Almost surely, 2^10031121330 is an apocalyptic number.

10031121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031121330 is an abundant number, since it is smaller than the sum of its proper divisors (15090297294).

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

10031121330 is a wasteful number, since it uses less digits than its factorization.

10031121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537890.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031121330 its reverse (3312113001), we get a palindrome (13343234331).

The spelling of 10031121330 in words is "ten billion, thirty-one million, one hundred twenty-one thousand, three hundred thirty".