10031004021 has 8 divisors (see below), whose sum is σ = 13375785280. Its totient is φ = 6686779392.

The previous prime is 10031004017. The next prime is 10031004023. The reversal of 10031004021 is 12040013001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10031004021 - 2² = 10031004017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031003988 and 10031004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031004023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95116 + ... + 170613.

It is an arithmetic number, because the mean of its divisors is an integer number (1671973160).

Almost surely, 2^10031004021 is an apocalyptic number.

It is an amenable number.

10031004021 is a deficient number, since it is larger than the sum of its proper divisors (3344781259).

10031004021 is a wasteful number, since it uses less digits than its factorization.

10031004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278315.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10031004021 its reverse (12040013001), we get a palindrome (22071017022).

The spelling of 10031004021 in words is "ten billion, thirty-one million, four thousand, twenty-one".