31011122120002 has 16 divisors (see below), whose sum is σ = 46973048346432. Its totient is φ = 15353469766800.

The previous prime is 31011122119997. The next prime is 31011122120093. The reversal of 31011122120002 is 20002122111013.

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, 5562628 + ... + 9641839.

It is an arithmetic number, because the mean of its divisors is an integer number (2935815521652).

Almost surely, 2^{31011122120002} is an apocalyptic number.

31011122120002 is a deficient number, since it is larger than the sum of its proper divisors (15961926226430).

31011122120002 is a wasteful number, since it uses less digits than its factorization.

31011122120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15214473.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31011122120002 its reverse (20002122111013), we get a palindrome (51013244231015).

The spelling of 31011122120002 in words is "thirty-one trillion, eleven billion, one hundred twenty-two million, one hundred twenty thousand, two".