31030110131023 has 4 divisors (see below), whose sum is σ = 31046031174600. Its totient is φ = 31014189087448.

The previous prime is 31030110130991. The next prime is 31030110131029. The reversal of 31030110131023 is 32013101103013.

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 31030110131023 - 2⁵ = 31030110130991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030110131029) 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, 7960518865 + ... + 7960522762.

It is an arithmetic number, because the mean of its divisors is an integer number (7761507793650).

Almost surely, 2^{31030110131023} is an apocalyptic number.

31030110131023 is a deficient number, since it is larger than the sum of its proper divisors (15921043577).

31030110131023 is a wasteful number, since it uses less digits than its factorization.

31030110131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921043576.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31030110131023 its reverse (32013101103013), we get a palindrome (63043211234036).

The spelling of 31030110131023 in words is "thirty-one trillion, thirty billion, one hundred ten million, one hundred thirty-one thousand, twenty-three".