31450432453 has 4 divisors (see below), whose sum is σ = 34309562688. Its totient is φ = 28591302220.

The previous prime is 31450432451. The next prime is 31450432483. The reversal of 31450432453 is 35423405413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31450432453 - 2¹ = 31450432451 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 (31450432451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429565101 + ... + 1429565122.

It is an arithmetic number, because the mean of its divisors is an integer number (8577390672).

Almost surely, 2^31450432453 is an apocalyptic number.

It is an amenable number.

31450432453 is a deficient number, since it is larger than the sum of its proper divisors (2859130235).

31450432453 is a wasteful number, since it uses less digits than its factorization.

31450432453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859130234.

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

Adding to 31450432453 its reverse (35423405413), we get a palindrome (66873837866).

The spelling of 31450432453 in words is "thirty-one billion, four hundred fifty million, four hundred thirty-two thousand, four hundred fifty-three".