31201113322 has 8 divisors (see below), whose sum is σ = 46940548356. Its totient is φ = 15554263872.

The previous prime is 31201113269. The next prime is 31201113343. The reversal of 31201113322 is 22331110213.

It can be written as a sum of positive squares in 2 ways, for example, as 30202616521 + 998496801 = 173789^2 + 31599^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 31201113322.

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, 23145553 + ... + 23146900.

Almost surely, 2^31201113322 is an apocalyptic number.

31201113322 is a deficient number, since it is larger than the sum of its proper divisors (15739435034).

31201113322 is a wasteful number, since it uses less digits than its factorization.

31201113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46292792.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31201113322 its reverse (22331110213), we get a palindrome (53532223535).

The spelling of 31201113322 in words is "thirty-one billion, two hundred one million, one hundred thirteen thousand, three hundred twenty-two".