31301002242122 has 24 divisors (see below), whose sum is σ = 49558089612096. Its totient is φ = 14825176306344.

The previous prime is 31301002242121. The next prime is 31301002242197. The reversal of 31301002242122 is 22124220010313.

It is a super-2 number, since 2×31301002242122² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301002242121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4289183 + ... + 8999949.

It is an arithmetic number, because the mean of its divisors is an integer number (2064920400504).

Almost surely, 2^{31301002242122} is an apocalyptic number.

31301002242122 is a deficient number, since it is larger than the sum of its proper divisors (18257087369974).

31301002242122 is a wasteful number, since it uses less digits than its factorization.

31301002242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720010 (or 4719991 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31301002242122 its reverse (22124220010313), we get a palindrome (53425222252435).

The spelling of 31301002242122 in words is "thirty-one trillion, three hundred one billion, two million, two hundred forty-two thousand, one hundred twenty-two".