101213010031 has 4 divisors (see below), whose sum is σ = 115672011472. Its totient is φ = 86754008592.

The previous prime is 101213010011. The next prime is 101213010037. The reversal of 101213010031 is 130010312101.

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 101213010031 - 2¹⁷ = 101212878959 is a prime.

It is a super-2 number, since 2×101213010031² (a number of 23 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 = 101213009993 and 101213010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213010037) 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, 7229500710 + ... + 7229500723.

It is an arithmetic number, because the mean of its divisors is an integer number (28918002868).

Almost surely, 2^101213010031 is an apocalyptic number.

101213010031 is a deficient number, since it is larger than the sum of its proper divisors (14459001441).

101213010031 is an equidigital number, since it uses as much as digits as its factorization.

101213010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459001440.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101213010031 its reverse (130010312101), we get a palindrome (231223322132).

The spelling of 101213010031 in words is "one hundred one billion, two hundred thirteen million, ten thousand, thirty-one".