31423363132453 has 4 divisors (see below), whose sum is σ = 31572289024288. Its totient is φ = 31274437240620.

The previous prime is 31423363132451. The next prime is 31423363132459. The reversal of 31423363132453 is 35423136332413.

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 31423363132453 - 2¹ = 31423363132451 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 (31423363132451) 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, 74462945601 + ... + 74462946022.

It is an arithmetic number, because the mean of its divisors is an integer number (7893072256072).

Almost surely, 2^{31423363132453} is an apocalyptic number.

It is an amenable number.

31423363132453 is a deficient number, since it is larger than the sum of its proper divisors (148925891835).

31423363132453 is a wasteful number, since it uses less digits than its factorization.

31423363132453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148925891834.

The product of its digits is 1399680, while the sum is 43.

Adding to 31423363132453 its reverse (35423136332413), we get a palindrome (66846499464866).

The spelling of 31423363132453 in words is "thirty-one trillion, four hundred twenty-three billion, three hundred sixty-three million, one hundred thirty-two thousand, four hundred fifty-three".