31222311133102 has 16 divisors (see below), whose sum is σ = 47126369025792. Its totient is φ = 15513694110720.

The previous prime is 31222311133051. The next prime is 31222311133109. The reversal of 31222311133102 is 20133111322213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222311133109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42800974 + ... + 43524337.

It is an arithmetic number, because the mean of its divisors is an integer number (2945398064112).

Almost surely, 2^{31222311133102} is an apocalyptic number.

31222311133102 is a deficient number, since it is larger than the sum of its proper divisors (15904057892690).

31222311133102 is a wasteful number, since it uses less digits than its factorization.

31222311133102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86326443.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31222311133102 its reverse (20133111322213), we get a palindrome (51355422455315).

The spelling of 31222311133102 in words is "thirty-one trillion, two hundred twenty-two billion, three hundred eleven million, one hundred thirty-three thousand, one hundred two".