3131212020101 has 8 divisors (see below), whose sum is σ = 3428199313824. Its totient is φ = 2836280002320.

The previous prime is 3131212020071. The next prime is 3131212020161. The reversal of 3131212020101 is 1010202121313.

3131212020101 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 3131212020101 - 2³⁰ = 3130138278277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131212020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131212020161) 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, 513815795 + ... + 513821888.

It is an arithmetic number, because the mean of its divisors is an integer number (428524914228).

Almost surely, 2^{3131212020101} is an apocalyptic number.

It is an amenable number.

3131212020101 is a deficient number, since it is larger than the sum of its proper divisors (296987293723).

3131212020101 is a wasteful number, since it uses less digits than its factorization.

3131212020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027637971.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3131212020101 its reverse (1010202121313), we get a palindrome (4141414141414).

The spelling of 3131212020101 in words is "three trillion, one hundred thirty-one billion, two hundred twelve million, twenty thousand, one hundred one".