31001030030011 has 8 divisors (see below), whose sum is σ = 31085577396720. Its totient is φ = 30916588152192.

The previous prime is 31001030029913. The next prime is 31001030030021. The reversal of 31001030030011 is 11003003010013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31001030030011 is a prime.

It is a super-2 number, since 2×31001030030011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31001030029973 and 31001030030000.

It is not an unprimeable number, because it can be changed into a prime (31001030030021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25783645 + ... + 26959198.

It is an arithmetic number, because the mean of its divisors is an integer number (3885697174590).

Almost surely, 2^{31001030030011} is an apocalyptic number.

31001030030011 is a deficient number, since it is larger than the sum of its proper divisors (84547366709).

31001030030011 is a wasteful number, since it uses less digits than its factorization.

31001030030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52744445.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31001030030011 its reverse (11003003010013), we get a palindrome (42004033040024).

The spelling of 31001030030011 in words is "thirty-one trillion, one billion, thirty million, thirty thousand, eleven".