101213102110031 has 4 divisors (see below), whose sum is σ = 101215428945000. Its totient is φ = 101210775275064.

The previous prime is 101213102109979. The next prime is 101213102110049. The reversal of 101213102110031 is 130011201312101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101213102110031 - 2³⁸ = 100938224203087 is a prime.

It is a super-2 number, since 2×101213102110031² (a number of 29 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 = 101213102109991 and 101213102110009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213102113031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163352236 + ... + 1163439233.

It is an arithmetic number, because the mean of its divisors is an integer number (25303857236250).

Almost surely, 2^{101213102110031} is an apocalyptic number.

101213102110031 is a deficient number, since it is larger than the sum of its proper divisors (2326834969).

101213102110031 is an equidigital number, since it uses as much as digits as its factorization.

101213102110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326834968.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101213102110031 its reverse (130011201312101), we get a palindrome (231224303422132).

The spelling of 101213102110031 in words is "one hundred one trillion, two hundred thirteen billion, one hundred two million, one hundred ten thousand, thirty-one".