31132201211122 has 32 divisors (see below), whose sum is σ = 51026569513920. Its totient is φ = 14127970970880.

The previous prime is 31132201211071. The next prime is 31132201211179. The reversal of 31132201211122 is 22111210223113.

It is a happy number.

It is a super-2 number, since 2×31132201211122² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 31132201211093 and 31132201211102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36414654 + ... + 37259782.

It is an arithmetic number, because the mean of its divisors is an integer number (1594580297310).

Almost surely, 2^{31132201211122} is an apocalyptic number.

31132201211122 is a deficient number, since it is larger than the sum of its proper divisors (19894368302798).

31132201211122 is a wasteful number, since it uses less digits than its factorization.

31132201211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847866.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 31132201211122 its reverse (22111210223113), we get a palindrome (53243411434235).

The spelling of 31132201211122 in words is "thirty-one trillion, one hundred thirty-two billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".