31133242101 has 64 divisors (see below), whose sum is σ = 45917625600. Its totient is φ = 18648520704.

The previous prime is 31133242093. The next prime is 31133242169. The reversal of 31133242101 is 10124233113.

It is not a de Polignac number, because 31133242101 - 2³ = 31133242093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133242171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83466951 + ... + 83467323.

It is an arithmetic number, because the mean of its divisors is an integer number (717462900).

Almost surely, 2^31133242101 is an apocalyptic number.

It is an amenable number.

31133242101 is a deficient number, since it is larger than the sum of its proper divisors (14784383499).

31133242101 is a wasteful number, since it uses less digits than its factorization.

31133242101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31133242101 its reverse (10124233113), we get a palindrome (41257475214).

The spelling of 31133242101 in words is "thirty-one billion, one hundred thirty-three million, two hundred forty-two thousand, one hundred one".