20020103131 has 8 divisors (see below), whose sum is σ = 23137198560. Its totient is φ = 16967277888.

The previous prime is 20020103113. The next prime is 20020103137. The reversal of 20020103131 is 13130102002.

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 20020103131 - 2¹⁵ = 20020070363 is a prime.

It is a super-2 number, since 2×20020103131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020103137) 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, 16066876 + ... + 16068121.

It is an arithmetic number, because the mean of its divisors is an integer number (2892149820).

Almost surely, 2^20020103131 is an apocalyptic number.

20020103131 is a deficient number, since it is larger than the sum of its proper divisors (3117095429).

20020103131 is an equidigital number, since it uses as much as digits as its factorization.

20020103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135093.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20020103131 its reverse (13130102002), we get a palindrome (33150205133).

The spelling of 20020103131 in words is "twenty billion, twenty million, one hundred three thousand, one hundred thirty-one".