31103201213202 has 32 divisors (see below), whose sum is σ = 62239853544192. Its totient is φ = 10362159484544.

The previous prime is 31103201213197. The next prime is 31103201213251. The reversal of 31103201213202 is 20231210230113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140783008 + ... + 141003764.

It is an arithmetic number, because the mean of its divisors is an integer number (1944995423256).

Almost surely, 2^{31103201213202} is an apocalyptic number.

31103201213202 is an abundant number, since it is smaller than the sum of its proper divisors (31136652330990).

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

31103201213202 is a wasteful number, since it uses less digits than its factorization.

31103201213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233282.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31103201213202 its reverse (20231210230113), we get a palindrome (51334411443315).

The spelling of 31103201213202 in words is "thirty-one trillion, one hundred three billion, two hundred one million, two hundred thirteen thousand, two hundred two".