31122032102 has 16 divisors (see below), whose sum is σ = 53355420960. Its totient is φ = 13337172288.

The previous prime is 31122032077. The next prime is 31122032119. The reversal of 31122032102 is 20123022113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194024 + ... + 316052.

It is an arithmetic number, because the mean of its divisors is an integer number (3334713810).

Almost surely, 2^31122032102 is an apocalyptic number.

31122032102 is a deficient number, since it is larger than the sum of its proper divisors (22233388858).

31122032102 is a wasteful number, since it uses less digits than its factorization.

31122032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140255.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31122032102 its reverse (20123022113), we get a palindrome (51245054215).

The spelling of 31122032102 in words is "thirty-one billion, one hundred twenty-two million, thirty-two thousand, one hundred two".