31243441122 has 64 divisors (see below), whose sum is σ = 74783808000. Its totient is φ = 9636886224.

The previous prime is 31243441001. The next prime is 31243441123. The reversal of 31243441122 is 22114434213.

31243441122 is a `hidden beast` number, since 3 + 1 + 243 + 4 + 411 + 2 + 2 = 666.

It is a super-2 number, since 2×31243441122² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31243441123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309972 + ... + 398207.

It is an arithmetic number, because the mean of its divisors is an integer number (1168497000).

Almost surely, 2^31243441122 is an apocalyptic number.

31243441122 is an abundant number, since it is smaller than the sum of its proper divisors (43540366878).

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

31243441122 is a wasteful number, since it uses less digits than its factorization.

31243441122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708252 (or 708246 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 31243441122 its reverse (22114434213), we get a palindrome (53357875335).

The spelling of 31243441122 in words is "thirty-one billion, two hundred forty-three million, four hundred forty-one thousand, one hundred twenty-two".