31222001134 has 24 divisors (see below), whose sum is σ = 49839767640. Its totient is φ = 14666176896.

The previous prime is 31222001131. The next prime is 31222001147. The reversal of 31222001134 is 43110022213.

It is a happy number.

It is a super-2 number, since 2×31222001134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222001131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273457 + ... + 370435.

It is an arithmetic number, because the mean of its divisors is an integer number (2076656985).

Almost surely, 2^31222001134 is an apocalyptic number.

31222001134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31222001134 is a deficient number, since it is larger than the sum of its proper divisors (18617766506).

31222001134 is a wasteful number, since it uses less digits than its factorization.

31222001134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97572 (or 97555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31222001134 its reverse (43110022213), we get a palindrome (74332023347).

The spelling of 31222001134 in words is "thirty-one billion, two hundred twenty-two million, one thousand, one hundred thirty-four".