31301231011122 has 32 divisors (see below), whose sum is σ = 62983640603520. Its totient is φ = 10370278575360.

The previous prime is 31301231011081. The next prime is 31301231011157. The reversal of 31301231011122 is 22111013210313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6146247 + ... + 10018922.

It is an arithmetic number, because the mean of its divisors is an integer number (1968238768860).

Almost surely, 2^{31301231011122} is an apocalyptic number.

31301231011122 is an abundant number, since it is smaller than the sum of its proper divisors (31682409592398).

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

31301231011122 is a wasteful number, since it uses less digits than its factorization.

31301231011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16167138.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31301231011122 its reverse (22111013210313), we get a palindrome (53412244221435).

The spelling of 31301231011122 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, eleven thousand, one hundred twenty-two".