10001210031 has 12 divisors (see below), whose sum is σ = 14459070808. Its totient is φ = 6661529424.

The previous prime is 10001210027. The next prime is 10001210059. The reversal of 10001210031 is 13001210001.

It is not a de Polignac number, because 10001210031 - 2² = 10001210027 is a prime.

It is a super-2 number, since 2×10001210031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001209995 and 10001210022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001210231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484660 + ... + 504873.

Almost surely, 2^10001210031 is an apocalyptic number.

10001210031 is a deficient number, since it is larger than the sum of its proper divisors (4457860777).

10001210031 is a wasteful number, since it uses less digits than its factorization.

10001210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990662 (or 990659 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10001210031 its reverse (13001210001), we get a palindrome (23002420032).

The spelling of 10001210031 in words is "ten billion, one million, two hundred ten thousand, thirty-one".