10031130021 has 24 divisors (see below), whose sum is σ = 14709425472. Its totient is φ = 6076100800.

The previous prime is 10031130013. The next prime is 10031130029. The reversal of 10031130021 is 12003113001.

It is an interprime number because it is at equal distance from previous prime (10031130013) and next prime (10031130029).

It is not a de Polignac number, because 10031130021 - 2³ = 10031130013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10031129979 and 10031130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750961 + ... + 764201.

It is an arithmetic number, because the mean of its divisors is an integer number (612892728).

Almost surely, 2^10031130021 is an apocalyptic number.

10031130021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10031130021 is a deficient number, since it is larger than the sum of its proper divisors (4678295451).

10031130021 is a wasteful number, since it uses less digits than its factorization.

10031130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031130021 its reverse (12003113001), we get a palindrome (22034243022).

The spelling of 10031130021 in words is "ten billion, thirty-one million, one hundred thirty thousand, twenty-one".