31120002033011 has 4 divisors (see below), whose sum is σ = 32950590387912. Its totient is φ = 29289413678112.

The previous prime is 31120002032969. The next prime is 31120002033031. The reversal of 31120002033011 is 11033020002113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31120002033011 - 2²² = 31119997838707 is a prime.

It is a super-2 number, since 2×31120002033011² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1830588354883 = 31120002033011 / (3 + 1 + 1 + 2 + 0 + 0 + 0 + 2 + 0 + 3 + 3 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31120002033031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915294177425 + ... + 915294177458.

It is an arithmetic number, because the mean of its divisors is an integer number (8237647596978).

Almost surely, 2^{31120002033011} is an apocalyptic number.

31120002033011 is a deficient number, since it is larger than the sum of its proper divisors (1830588354901).

31120002033011 is a wasteful number, since it uses less digits than its factorization.

31120002033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830588354900.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31120002033011 its reverse (11033020002113), we get a palindrome (42153022035124).

The spelling of 31120002033011 in words is "thirty-one trillion, one hundred twenty billion, two million, thirty-three thousand, eleven".