20231103031 has 8 divisors (see below), whose sum is σ = 20392930800. Its totient is φ = 20069387520.

The previous prime is 20231103019. The next prime is 20231103073. The reversal of 20231103031 is 13030113202.

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 20231103031 - 2²³ = 20222714423 is a prime.

It is a super-2 number, since 2×20231103031² (a number of 21 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 = 20231102996 and 20231103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231103731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354535 + ... + 407623.

It is an arithmetic number, because the mean of its divisors is an integer number (2549116350).

Almost surely, 2^20231103031 is an apocalyptic number.

20231103031 is a deficient number, since it is larger than the sum of its proper divisors (161827769).

20231103031 is a wasteful number, since it uses less digits than its factorization.

20231103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56129.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20231103031 its reverse (13030113202), we get a palindrome (33261216233).

The spelling of 20231103031 in words is "twenty billion, two hundred thirty-one million, one hundred three thousand, thirty-one".