10121213031 has 8 divisors (see below), whose sum is σ = 13495515264. Its totient is φ = 6747193080.

The previous prime is 10121213017. The next prime is 10121213071. The reversal of 10121213031 is 13031212101.

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 10121213031 - 2¹⁴ = 10121196647 is a prime.

It is a super-2 number, since 2×10121213031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10121213031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121213071) 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, 36150 + ... + 146796.

It is an arithmetic number, because the mean of its divisors is an integer number (1686939408).

Almost surely, 2^10121213031 is an apocalyptic number.

10121213031 is a deficient number, since it is larger than the sum of its proper divisors (3374302233).

10121213031 is a wasteful number, since it uses less digits than its factorization.

10121213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141141.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10121213031 its reverse (13031212101), we get a palindrome (23152425132).

The spelling of 10121213031 in words is "ten billion, one hundred twenty-one million, two hundred thirteen thousand, thirty-one".