20123004013131 has 8 divisors (see below), whose sum is σ = 26831095341120. Its totient is φ = 13415124346952.

The previous prime is 20123004013127. The next prime is 20123004013183. The reversal of 20123004013131 is 13131040032102.

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 20123004013131 - 2² = 20123004013127 is a prime.

It is a super-2 number, since 2×20123004013131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20123004013098 and 20123004013107.

It is not an unprimeable number, because it can be changed into a prime (20123004013631) 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, 52693485 + ... + 53073998.

It is an arithmetic number, because the mean of its divisors is an integer number (3353886917640).

Almost surely, 2^{20123004013131} is an apocalyptic number.

20123004013131 is a deficient number, since it is larger than the sum of its proper divisors (6708091327989).

20123004013131 is a wasteful number, since it uses less digits than its factorization.

20123004013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105830905.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123004013131 its reverse (13131040032102), we get a palindrome (33254044045233).

The spelling of 20123004013131 in words is "twenty trillion, one hundred twenty-three billion, four million, thirteen thousand, one hundred thirty-one".