31301020122 has 16 divisors (see below), whose sum is σ = 62604208992. Its totient is φ = 10433311920.

The previous prime is 31301020117. The next prime is 31301020123. The reversal of 31301020122 is 22102010313.

It is not an unprimeable number, because it can be changed into a prime (31301020123) 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, 144033 + ... + 288699.

It is an arithmetic number, because the mean of its divisors is an integer number (3912763062).

Almost surely, 2^31301020122 is an apocalyptic number.

31301020122 is an abundant number, since it is smaller than the sum of its proper divisors (31303188870).

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

31301020122 is a wasteful number, since it uses less digits than its factorization.

31301020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180733.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31301020122 its reverse (22102010313), we get a palindrome (53403030435).

The spelling of 31301020122 in words is "thirty-one billion, three hundred one million, twenty thousand, one hundred twenty-two".