31145335144023 has 8 divisors (see below), whose sum is σ = 41527655939968. Its totient is φ = 20763285555384.

The previous prime is 31145335144009. The next prime is 31145335144037. The reversal of 31145335144023 is 32044153354113.

It is an interprime number because it is at equal distance from previous prime (31145335144009) and next prime (31145335144037).

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

It is not a de Polignac number, because 31145335144023 - 2⁶ = 31145335143959 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 (31145335144523) 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, 67533715 + ... + 67993332.

It is an arithmetic number, because the mean of its divisors is an integer number (5190956992496).

Almost surely, 2^{31145335144023} is an apocalyptic number.

31145335144023 is a deficient number, since it is larger than the sum of its proper divisors (10382320795945).

31145335144023 is a wasteful number, since it uses less digits than its factorization.

31145335144023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135603653.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 31145335144023 its reverse (32044153354113), we get a palindrome (63189488498136).

The spelling of 31145335144023 in words is "thirty-one trillion, one hundred forty-five billion, three hundred thirty-five million, one hundred forty-four thousand, twenty-three".