31100020213301 has 16 divisors (see below), whose sum is σ = 33627990802560. Its totient is φ = 28591483809600.

The previous prime is 31100020213271. The next prime is 31100020213369. The reversal of 31100020213301 is 10331202000113.

It is a cyclic number.

It is not a de Polignac number, because 31100020213301 - 2³⁴ = 31082840344117 is a prime.

It is a super-2 number, since 2×31100020213301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31100020213301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100020213391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12727655 + ... + 14973083.

It is an arithmetic number, because the mean of its divisors is an integer number (2101749425160).

Almost surely, 2^{31100020213301} is an apocalyptic number.

It is an amenable number.

31100020213301 is a deficient number, since it is larger than the sum of its proper divisors (2527970589259).

31100020213301 is a wasteful number, since it uses less digits than its factorization.

31100020213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249756.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31100020213301 its reverse (10331202000113), we get a palindrome (41431222213414).

The spelling of 31100020213301 in words is "thirty-one trillion, one hundred billion, twenty million, two hundred thirteen thousand, three hundred one".