23110121031 has 8 divisors (see below), whose sum is σ = 31096187760. Its totient is φ = 15265400832.

The previous prime is 23110121029. The next prime is 23110121093. The reversal of 23110121031 is 13012101132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23110121031 - 2¹ = 23110121029 is a prime.

It is a super-2 number, since 2×23110121031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23110121031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110121731) 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, 35336250 + ... + 35336903.

It is an arithmetic number, because the mean of its divisors is an integer number (3887023470).

Almost surely, 2^23110121031 is an apocalyptic number.

23110121031 is a deficient number, since it is larger than the sum of its proper divisors (7986066729).

23110121031 is a wasteful number, since it uses less digits than its factorization.

23110121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70673265.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23110121031 its reverse (13012101132), we get a palindrome (36122222163).

The spelling of 23110121031 in words is "twenty-three billion, one hundred ten million, one hundred twenty-one thousand, thirty-one".