31343452101 has 48 divisors (see below), whose sum is σ = 50915644416. Its totient is φ = 18435403008.

The previous prime is 31343452093. The next prime is 31343452121. The reversal of 31343452101 is 10125434313.

It is a happy number.

31343452101 is a `hidden beast` number, since 3 + 13 + 434 + 5 + 210 + 1 = 666.

It is not a de Polignac number, because 31343452101 - 2³ = 31343452093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343452121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4213081 + ... + 4220513.

It is an arithmetic number, because the mean of its divisors is an integer number (1060742592).

Almost surely, 2^31343452101 is an apocalyptic number.

It is an amenable number.

31343452101 is a deficient number, since it is larger than the sum of its proper divisors (19572192315).

31343452101 is a wasteful number, since it uses less digits than its factorization.

31343452101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042 (or 9039 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31343452101 its reverse (10125434313), we get a palindrome (41468886414).

The spelling of 31343452101 in words is "thirty-one billion, three hundred forty-three million, four hundred fifty-two thousand, one hundred one".