31405410023 has 16 divisors (see below), whose sum is σ = 35739873120. Its totient is φ = 27356921856.

The previous prime is 31405410019. The next prime is 31405410073. The reversal of 31405410023 is 32001450413.

It is a cyclic number.

It is not a de Polignac number, because 31405410023 - 2² = 31405410019 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 (31405410073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183890 + ... + 310847.

It is an arithmetic number, because the mean of its divisors is an integer number (2233742070).

Almost surely, 2^31405410023 is an apocalyptic number.

31405410023 is a deficient number, since it is larger than the sum of its proper divisors (4334463097).

31405410023 is a wasteful number, since it uses less digits than its factorization.

31405410023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495026.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 31405410023 its reverse (32001450413), we get a palindrome (63406860436).

The spelling of 31405410023 in words is "thirty-one billion, four hundred five million, four hundred ten thousand, twenty-three".