31432130323 has 8 divisors (see below), whose sum is σ = 34337968560. Its totient is φ = 28534354080.

The previous prime is 31432130321. The next prime is 31432130333. The reversal of 31432130323 is 32303123413.

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 31432130323 - 2¹ = 31432130321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31432130321) 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, 2007340 + ... + 2022937.

It is an arithmetic number, because the mean of its divisors is an integer number (4292246070).

Almost surely, 2^31432130323 is an apocalyptic number.

31432130323 is a deficient number, since it is larger than the sum of its proper divisors (2905838237).

31432130323 is a wasteful number, since it uses less digits than its factorization.

31432130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030997.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31432130323 its reverse (32303123413), we get a palindrome (63735253736).

The spelling of 31432130323 in words is "thirty-one billion, four hundred thirty-two million, one hundred thirty thousand, three hundred twenty-three".