31342020122 has 32 divisors (see below), whose sum is σ = 54196179840. Its totient is φ = 13315760640.

The previous prime is 31342020107. The next prime is 31342020137. The reversal of 31342020122 is 22102024313.

It is an interprime number because it is at equal distance from previous prime (31342020107) and next prime (31342020137).

It is a junction number, because it is equal to n+sod(n) for n = 31342020094 and 31342020103.

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, 1842038 + ... + 1858974.

It is an arithmetic number, because the mean of its divisors is an integer number (1693630620).

Almost surely, 2^31342020122 is an apocalyptic number.

31342020122 is a deficient number, since it is larger than the sum of its proper divisors (22854159718).

31342020122 is a wasteful number, since it uses less digits than its factorization.

31342020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18086.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31342020122 its reverse (22102024313), we get a palindrome (53444044435).

The spelling of 31342020122 in words is "thirty-one billion, three hundred forty-two million, twenty thousand, one hundred twenty-two".