31453600223 has 4 divisors (see below), whose sum is σ = 31629318840. Its totient is φ = 31277881608.

The previous prime is 31453600193. The next prime is 31453600231. The reversal of 31453600223 is 32200635413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32200635413 = 457 ⋅70460909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31453600223 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 (31453600253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87859040 + ... + 87859397.

It is an arithmetic number, because the mean of its divisors is an integer number (7907329710).

Almost surely, 2^31453600223 is an apocalyptic number.

31453600223 is a deficient number, since it is larger than the sum of its proper divisors (175718617).

31453600223 is a wasteful number, since it uses less digits than its factorization.

31453600223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175718616.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 31453600223 in words is "thirty-one billion, four hundred fifty-three million, six hundred thousand, two hundred twenty-three".