31213001233101 has 8 divisors (see below), whose sum is σ = 42585179977120. Its totient is φ = 20324744988912.

The previous prime is 31213001233079. The next prime is 31213001233133. The reversal of 31213001233101 is 10133210031213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31213001233101 - 2¹⁵ = 31213001200333 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 (31213001233181) 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, 120980624806 + ... + 120980625063.

It is an arithmetic number, because the mean of its divisors is an integer number (5323147497140).

Almost surely, 2^{31213001233101} is an apocalyptic number.

It is an amenable number.

31213001233101 is a deficient number, since it is larger than the sum of its proper divisors (11372178744019).

31213001233101 is a wasteful number, since it uses less digits than its factorization.

31213001233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241961249915.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31213001233101 its reverse (10133210031213), we get a palindrome (41346211264314).

The spelling of 31213001233101 in words is "thirty-one trillion, two hundred thirteen billion, one million, two hundred thirty-three thousand, one hundred one".