31140232032403 has 8 divisors (see below), whose sum is σ = 34249158635328. Its totient is φ = 28133237449344.

The previous prime is 31140232032373. The next prime is 31140232032431. The reversal of 31140232032403 is 30423023204113.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31140232032403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31140232732403) 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, 25483004326 + ... + 25483005547.

It is an arithmetic number, because the mean of its divisors is an integer number (4281144829416).

Almost surely, 2^{31140232032403} is an apocalyptic number.

31140232032403 is a deficient number, since it is larger than the sum of its proper divisors (3108926602925).

31140232032403 is a wasteful number, since it uses less digits than its factorization.

31140232032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50966009933.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31140232032403 its reverse (30423023204113), we get a palindrome (61563255236516).

The spelling of 31140232032403 in words is "thirty-one trillion, one hundred forty billion, two hundred thirty-two million, thirty-two thousand, four hundred three".