31552051223 has 8 divisors (see below), whose sum is σ = 39337622400. Its totient is φ = 24586013880.

The previous prime is 31552051183. The next prime is 31552051231. The reversal of 31552051223 is 32215025513.

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 31552051223 - 2⁶ = 31552051159 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 (31552051423) 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, 204883373 + ... + 204883526.

It is an arithmetic number, because the mean of its divisors is an integer number (4917202800).

Almost surely, 2^31552051223 is an apocalyptic number.

31552051223 is a deficient number, since it is larger than the sum of its proper divisors (7785571177).

31552051223 is a wasteful number, since it uses less digits than its factorization.

31552051223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409766917.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 31552051223 its reverse (32215025513), we get a palindrome (63767076736).

The spelling of 31552051223 in words is "thirty-one billion, five hundred fifty-two million, fifty-one thousand, two hundred twenty-three".