20011010003131 has 16 divisors (see below), whose sum is σ = 22941579366400. Its totient is φ = 17098449496128.

The previous prime is 20011010003129. The next prime is 20011010003137. The reversal of 20011010003131 is 13130001011002.

It is not a de Polignac number, because 20011010003131 - 2¹ = 20011010003129 is a prime.

It is a super-2 number, since 2×20011010003131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011010003137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3395110 + ... + 7179748.

It is an arithmetic number, because the mean of its divisors is an integer number (1433848710400).

Almost surely, 2^{20011010003131} is an apocalyptic number.

20011010003131 is a deficient number, since it is larger than the sum of its proper divisors (2930569363269).

20011010003131 is a wasteful number, since it uses less digits than its factorization.

20011010003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787018.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20011010003131 its reverse (13130001011002), we get a palindrome (33141011014133).

The spelling of 20011010003131 in words is "twenty trillion, eleven billion, ten million, three thousand, one hundred thirty-one".