101031020213 has 8 divisors (see below), whose sum is σ = 108727695000. Its totient is φ = 93529198080.

The previous prime is 101031020201. The next prime is 101031020243. The reversal of 101031020213 is 312020130101.

It can be written as a sum of positive squares in 4 ways, for example, as 8229755524 + 92801264689 = 90718^2 + 304633^2 .

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 101031020213 - 2¹⁸ = 101030758069 is a prime.

It is a super-2 number, since 2×101031020213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031020243) 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, 48712088 + ... + 48714161.

It is an arithmetic number, because the mean of its divisors is an integer number (13590961875).

Almost surely, 2^101031020213 is an apocalyptic number.

It is an amenable number.

101031020213 is a deficient number, since it is larger than the sum of its proper divisors (7696674787).

101031020213 is an equidigital number, since it uses as much as digits as its factorization.

101031020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97426327.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101031020213 its reverse (312020130101), we get a palindrome (413051150314).

The spelling of 101031020213 in words is "one hundred one billion, thirty-one million, twenty thousand, two hundred thirteen".