10131211031 has 8 divisors (see below), whose sum is σ = 10146502080. Its totient is φ = 10115934048.

The previous prime is 10131211009. The next prime is 10131211033. The reversal of 10131211031 is 13011213101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10131211031 - 2¹⁰ = 10131210007 is a prime.

It is a super-2 number, since 2×10131211031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131210997 and 10131211015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131211033) 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, 2918765 + ... + 2922233.

It is an arithmetic number, because the mean of its divisors is an integer number (1268312760).

Almost surely, 2^10131211031 is an apocalyptic number.

10131211031 is a deficient number, since it is larger than the sum of its proper divisors (15291049).

10131211031 is a wasteful number, since it uses less digits than its factorization.

10131211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10131211031 its reverse (13011213101), we get a palindrome (23142424132).

The spelling of 10131211031 in words is "ten billion, one hundred thirty-one million, two hundred eleven thousand, thirty-one".