3131332101 has 40 divisors (see below), whose sum is σ = 4857811200. Its totient is φ = 2007724320.

The previous prime is 3131332097. The next prime is 3131332121. The reversal of 3131332101 is 1012331313.

It is a happy number.

3131332101 is a `hidden beast` number, since 31 + 313 + 321 + 0 + 1 = 666.

It is not a de Polignac number, because 3131332101 - 2² = 3131332097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131332121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 634120 + ... + 639038.

It is an arithmetic number, because the mean of its divisors is an integer number (121445280).

Almost surely, 2^3131332101 is an apocalyptic number.

It is an amenable number.

3131332101 is a deficient number, since it is larger than the sum of its proper divisors (1726479099).

3131332101 is a wasteful number, since it uses less digits than its factorization.

3131332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3131332101 is about 55958.3068096239. The cubic root of 3131332101 is about 1462.9956789255.

Adding to 3131332101 its reverse (1012331313), we get a palindrome (4143663414).

The spelling of 3131332101 in words is "three billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred one".