31040101123 has 8 divisors (see below), whose sum is σ = 31243840992. Its totient is φ = 30836574336.

The previous prime is 31040101069. The next prime is 31040101139. The reversal of 31040101123 is 32110104013.

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 31040101123 - 2¹³ = 31040092931 is a prime.

It is a super-2 number, since 2×31040101123² (a number of 22 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 = 31040101097 and 31040101106.

It is not an unprimeable number, because it can be changed into a prime (31040101163) 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, 244461 + ... + 349057.

It is an arithmetic number, because the mean of its divisors is an integer number (3905480124).

Almost surely, 2^31040101123 is an apocalyptic number.

31040101123 is a deficient number, since it is larger than the sum of its proper divisors (203739869).

31040101123 is a wasteful number, since it uses less digits than its factorization.

31040101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106541.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31040101123 its reverse (32110104013), we get a palindrome (63150205136).

The spelling of 31040101123 in words is "thirty-one billion, forty million, one hundred one thousand, one hundred twenty-three".