31301142122 has 16 divisors (see below), whose sum is σ = 48847921152. Its totient is φ = 15026452560.

The previous prime is 31301142121. The next prime is 31301142133. The reversal of 31301142122 is 22124110313.

It is a super-2 number, since 2×31301142122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31301142094 and 31301142103.

It is not an unprimeable number, because it can be changed into a prime (31301142121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979753 + ... + 1995500.

It is an arithmetic number, because the mean of its divisors is an integer number (3052995072).

Almost surely, 2^31301142122 is an apocalyptic number.

31301142122 is a deficient number, since it is larger than the sum of its proper divisors (17546779030).

31301142122 is a wasteful number, since it uses less digits than its factorization.

31301142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975413.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31301142122 its reverse (22124110313), we get a palindrome (53425252435).

The spelling of 31301142122 in words is "thirty-one billion, three hundred one million, one hundred forty-two thousand, one hundred twenty-two".