31540324453 has 8 divisors (see below), whose sum is σ = 34427501856. Its totient is φ = 28656459600.

The previous prime is 31540324429. The next prime is 31540324469. The reversal of 31540324453 is 35442304513.

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-31540324453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31540327453) 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, 808203 + ... + 846328.

It is an arithmetic number, because the mean of its divisors is an integer number (4303437732).

Almost surely, 2^31540324453 is an apocalyptic number.

It is an amenable number.

31540324453 is a deficient number, since it is larger than the sum of its proper divisors (2887177403).

31540324453 is a wasteful number, since it uses less digits than its factorization.

31540324453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656275.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 31540324453 its reverse (35442304513), we get a palindrome (66982628966).

The spelling of 31540324453 in words is "thirty-one billion, five hundred forty million, three hundred twenty-four thousand, four hundred fifty-three".