20312114153 has 2 divisors, whose sum is σ = 20312114154. Its totient is φ = 20312114152.

The previous prime is 20312114143. The next prime is 20312114197. The reversal of 20312114153 is 35141121302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12581660224 + 7730453929 = 112168^2 + 87923^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312114153 - 2⁸ = 20312113897 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312114143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156057076 + 10156057077.

It is an arithmetic number, because the mean of its divisors is an integer number (10156057077).

Almost surely, 2^20312114153 is an apocalyptic number.

It is an amenable number.

20312114153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312114153 is an equidigital number, since it uses as much as digits as its factorization.

20312114153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20312114153 its reverse (35141121302), we get a palindrome (55453235455).

The spelling of 20312114153 in words is "twenty billion, three hundred twelve million, one hundred fourteen thousand, one hundred fifty-three".