31120012202101 has 8 divisors (see below), whose sum is σ = 32531356145664. Its totient is φ = 29713526586480.

The previous prime is 31120012202051. The next prime is 31120012202119. The reversal of 31120012202101 is 10120221002113.

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 31120012202101 - 2²⁵ = 31119978647669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120012602101) 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, 1214568885 + ... + 1214594506.

It is an arithmetic number, because the mean of its divisors is an integer number (4066419518208).

Almost surely, 2^{31120012202101} is an apocalyptic number.

It is an amenable number.

31120012202101 is a deficient number, since it is larger than the sum of its proper divisors (1411343943563).

31120012202101 is a wasteful number, since it uses less digits than its factorization.

31120012202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429163971.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31120012202101 its reverse (10120221002113), we get a palindrome (41240233204214).

The spelling of 31120012202101 in words is "thirty-one trillion, one hundred twenty billion, twelve million, two hundred two thousand, one hundred one".