31601410123 has 4 divisors (see below), whose sum is σ = 31982150088. Its totient is φ = 31220670160.

The previous prime is 31601410111. The next prime is 31601410129. The reversal of 31601410123 is 32101410613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31601410123 - 2⁵ = 31601410091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31601410094 and 31601410103.

It is not an unprimeable number, because it can be changed into a prime (31601410129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190369858 + ... + 190370023.

It is an arithmetic number, because the mean of its divisors is an integer number (7995537522).

Almost surely, 2^31601410123 is an apocalyptic number.

31601410123 is a deficient number, since it is larger than the sum of its proper divisors (380739965).

31601410123 is an equidigital number, since it uses as much as digits as its factorization.

31601410123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380739964.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31601410123 its reverse (32101410613), we get a palindrome (63702820736).

The spelling of 31601410123 in words is "thirty-one billion, six hundred one million, four hundred ten thousand, one hundred twenty-three".