31102011132 has 48 divisors (see below), whose sum is σ = 72913962240. Its totient is φ = 10318506112.

The previous prime is 31102011121. The next prime is 31102011137. The reversal of 31102011132 is 23111020113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102011137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2362753 + ... + 2375879.

It is an arithmetic number, because the mean of its divisors is an integer number (1519040880).

Almost surely, 2^31102011132 is an apocalyptic number.

It is an amenable number.

31102011132 is an abundant number, since it is smaller than the sum of its proper divisors (41811951108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31102011132 is a wasteful number, since it uses less digits than its factorization.

31102011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14050 (or 14048 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31102011132 its reverse (23111020113), we get a palindrome (54213031245).

The spelling of 31102011132 in words is "thirty-one billion, one hundred two million, eleven thousand, one hundred thirty-two".