31210101130013 has 8 divisors (see below), whose sum is σ = 33706093097208. Its totient is φ = 28727711299584.

The previous prime is 31210101129983. The next prime is 31210101130027. The reversal of 31210101130013 is 31003110101213.

It can be written as a sum of positive squares in 4 ways, for example, as 139142428324 + 31070958701689 = 373018^2 + 5574133^2 .

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 31210101130013 - 2³⁴ = 31192921260829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31210101129973 and 31210101130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210101730013) 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, 3400529420 + ... + 3400538597.

It is an arithmetic number, because the mean of its divisors is an integer number (4213261637151).

Almost surely, 2^{31210101130013} is an apocalyptic number.

It is an amenable number.

31210101130013 is a deficient number, since it is larger than the sum of its proper divisors (2495991967195).

31210101130013 is a wasteful number, since it uses less digits than its factorization.

31210101130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801068383.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31210101130013 its reverse (31003110101213), we get a palindrome (62213211231226).

The spelling of 31210101130013 in words is "thirty-one trillion, two hundred ten billion, one hundred one million, one hundred thirty thousand, thirteen".