31301220020101 has 16 divisors (see below), whose sum is σ = 32268340106496. Its totient is φ = 30346689503296.

The previous prime is 31301220020089. The next prime is 31301220020113. The reversal of 31301220020101 is 10102002210313.

It is an interprime number because it is at equal distance from previous prime (31301220020089) and next prime (31301220020113).

It is a cyclic number.

It is not a de Polignac number, because 31301220020101 - 2³⁷ = 31163781066629 is a prime.

It is a super-3 number, since 3×31301220020101³ (a number of 41 digits) contains 333 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 (31301220020801) 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, 70168575 + ... + 70613251.

It is an arithmetic number, because the mean of its divisors is an integer number (2016771256656).

Almost surely, 2^{31301220020101} is an apocalyptic number.

It is an amenable number.

31301220020101 is a deficient number, since it is larger than the sum of its proper divisors (967120086395).

31301220020101 is a wasteful number, since it uses less digits than its factorization.

31301220020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458828.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31301220020101 its reverse (10102002210313), we get a palindrome (41403222230414).

The spelling of 31301220020101 in words is "thirty-one trillion, three hundred one billion, two hundred twenty million, twenty thousand, one hundred one".