31054122 has 72 divisors (see below), whose sum is σ = 76051872. Its totient is φ = 9080400.

The previous prime is 31054109. The next prime is 31054141. The reversal of 31054122 is 22145013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31054095 and 31054104.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 437347 + ... + 437417.

It is an arithmetic number, because the mean of its divisors is an integer number (1056276).

Almost surely, 2^31054122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31054122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38025936).

31054122 is an abundant number, since it is smaller than the sum of its proper divisors (44997750).

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

31054122 is a wasteful number, since it uses less digits than its factorization.

31054122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31054122 is about 5572.6225423942. The cubic root of 31054122 is about 314.3207737945.

Adding to 31054122 its reverse (22145013), we get a palindrome (53199135).

It can be divided in two parts, 3105 and 4122, that added together give a palindrome (7227).

The spelling of 31054122 in words is "thirty-one million, fifty-four thousand, one hundred twenty-two".