20031012211013 has 8 divisors (see below), whose sum is σ = 20049486458880. Its totient is φ = 20012541650640.

The previous prime is 20031012210949. The next prime is 20031012211051. The reversal of 20031012211013 is 31011221013002.

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

It is a cyclic number.

It is not a de Polignac number, because 20031012211013 - 2⁶ = 20031012210949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20031012210982 and 20031012211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031012216013) 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, 10007108 + ... + 11840786.

It is an arithmetic number, because the mean of its divisors is an integer number (2506185807360).

Almost surely, 2^{20031012211013} is an apocalyptic number.

It is an amenable number.

20031012211013 is a deficient number, since it is larger than the sum of its proper divisors (18474247867).

20031012211013 is a wasteful number, since it uses less digits than its factorization.

20031012211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843747.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20031012211013 its reverse (31011221013002), we get a palindrome (51042233224015).

The spelling of 20031012211013 in words is "twenty trillion, thirty-one billion, twelve million, two hundred eleven thousand, thirteen".