31665080523253 has 8 divisors (see below), whose sum is σ = 32408048936736. Its totient is φ = 30922410800400.

The previous prime is 31665080523217. The next prime is 31665080523259. The reversal of 31665080523253 is 35232508056613.

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 31665080523253 - 2⁴¹ = 29466057267701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31665080523197 and 31665080523206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31665080523259) 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, 74458138 + ... + 74882203.

It is an arithmetic number, because the mean of its divisors is an integer number (4051006117092).

Almost surely, 2^{31665080523253} is an apocalyptic number.

It is an amenable number.

31665080523253 is a deficient number, since it is larger than the sum of its proper divisors (742968413483).

31665080523253 is a wasteful number, since it uses less digits than its factorization.

31665080523253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149345315.

The product of its (nonzero) digits is 3888000, while the sum is 49.

Adding to 31665080523253 its reverse (35232508056613), we get a palindrome (66897588579866).

The spelling of 31665080523253 in words is "thirty-one trillion, six hundred sixty-five billion, eighty million, five hundred twenty-three thousand, two hundred fifty-three".