31101201332 has 6 divisors (see below), whose sum is σ = 54427102338. Its totient is φ = 15550600664.

The previous prime is 31101201317. The next prime is 31101201337. The reversal of 31101201332 is 23310210113.

It can be written as a sum of positive squares in only one way, i.e., 28762124836 + 2339076496 = 169594^2 + 48364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31101201332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101201337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3887650163 + ... + 3887650170.

It is an arithmetic number, because the mean of its divisors is an integer number (9071183723).

Almost surely, 2^31101201332 is an apocalyptic number.

It is an amenable number.

31101201332 is a deficient number, since it is larger than the sum of its proper divisors (23325901006).

31101201332 is a wasteful number, since it uses less digits than its factorization.

31101201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775300337 (or 7775300335 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31101201332 its reverse (23310210113), we get a palindrome (54411411445).

The spelling of 31101201332 in words is "thirty-one billion, one hundred one million, two hundred one thousand, three hundred thirty-two".