20123132301031 has 24 divisors (see below), whose sum is σ = 21416189803904. Its totient is φ = 18901460064960.

The previous prime is 20123132301017. The next prime is 20123132301113. The reversal of 20123132301031 is 13010323132102.

It is not a de Polignac number, because 20123132301031 - 2²⁵ = 20123098746599 is a prime.

It is a super-2 number, since 2×20123132301031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20123132300993 and 20123132301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123132301001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19073605 + ... + 20100961.

Almost surely, 2^{20123132301031} is an apocalyptic number.

20123132301031 is a deficient number, since it is larger than the sum of its proper divisors (1293057502873).

20123132301031 is a wasteful number, since it uses less digits than its factorization.

20123132301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028071 (or 1028048 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20123132301031 its reverse (13010323132102), we get a palindrome (33133455433133).

The spelling of 20123132301031 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred one thousand, thirty-one".