31023252223453 has 24 divisors (see below), whose sum is σ = 36573952425120. Its totient is φ = 26235836696160.

The previous prime is 31023252223429. The next prime is 31023252223493. The reversal of 31023252223453 is 35432225232013.

It is a de Polignac number, because none of the positive numbers 2^k-31023252223453 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 (31023252223493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12857823 + ... + 15078796.

It is an arithmetic number, because the mean of its divisors is an integer number (1523914684380).

Almost surely, 2^{31023252223453} is an apocalyptic number.

It is an amenable number.

31023252223453 is a deficient number, since it is larger than the sum of its proper divisors (5550700201667).

31023252223453 is a wasteful number, since it uses less digits than its factorization.

31023252223453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27936937 (or 27936930 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 31023252223453 its reverse (35432225232013), we get a palindrome (66455477455466).

The spelling of 31023252223453 in words is "thirty-one trillion, twenty-three billion, two hundred fifty-two million, two hundred twenty-three thousand, four hundred fifty-three".