31553352122 has 8 divisors (see below), whose sum is σ = 47330852736. Its totient is φ = 15776401212.

The previous prime is 31553352119. The next prime is 31553352133. The reversal of 31553352122 is 22125335513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31553352122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66743 + ... + 259925.

It is an arithmetic number, because the mean of its divisors is an integer number (5916356592).

Almost surely, 2^31553352122 is an apocalyptic number.

31553352122 is a deficient number, since it is larger than the sum of its proper divisors (15777500614).

31553352122 is a wasteful number, since it uses less digits than its factorization.

31553352122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274852.

The product of its digits is 27000, while the sum is 32.

Adding to 31553352122 its reverse (22125335513), we get a palindrome (53678687635).

The spelling of 31553352122 in words is "thirty-one billion, five hundred fifty-three million, three hundred fifty-two thousand, one hundred twenty-two".