31111031122132 has 24 divisors (see below), whose sum is σ = 58632552376832. Its totient is φ = 14358882463200.

The previous prime is 31111031122117. The next prime is 31111031122133. The reversal of 31111031122132 is 23122113011113.

31111031122132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31111031122132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31111031122133) 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, 14637757 + ... + 16627867.

Almost surely, 2^{31111031122132} is an apocalyptic number.

It is an amenable number.

31111031122132 is a deficient number, since it is larger than the sum of its proper divisors (27521521254700).

31111031122132 is a wasteful number, since it uses less digits than its factorization.

31111031122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290759 (or 2290757 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 31111031122132 its reverse (23122113011113), we get a palindrome (54233144133245).

The spelling of 31111031122132 in words is "thirty-one trillion, one hundred eleven billion, thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".