31503423130043 has 8 divisors (see below), whose sum is σ = 31615250772000. Its totient is φ = 31391723075328.

The previous prime is 31503423130031. The next prime is 31503423130063. The reversal of 31503423130043 is 34003132430513.

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 31503423130043 - 2⁴ = 31503423130027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31503423129991 and 31503423130009.

It is not an unprimeable number, because it can be changed into a prime (31503423130063) 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, 31402088 + ... + 32389781.

It is an arithmetic number, because the mean of its divisors is an integer number (3951906346500).

Almost surely, 2^{31503423130043} is an apocalyptic number.

31503423130043 is a deficient number, since it is larger than the sum of its proper divisors (111827641957).

31503423130043 is a wasteful number, since it uses less digits than its factorization.

31503423130043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63793621.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 31503423130043 its reverse (34003132430513), we get a palindrome (65506555560556).

The spelling of 31503423130043 in words is "thirty-one trillion, five hundred three billion, four hundred twenty-three million, one hundred thirty thousand, forty-three".