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3131132423 is a prime number
BaseRepresentation
bin1011101010100001…
…0100101000000111
322002012210000012112
42322220110220013
522403032214143
61234411011235
7140410120646
oct27250245007
98065700175
103131132423
111367496151
12734739b1b
133ab9085a3
14219bbd35d
15134d47e18
hexbaa14a07

3131132423 has 2 divisors, whose sum is σ = 3131132424. Its totient is φ = 3131132422.

The previous prime is 3131132359. The next prime is 3131132429. The reversal of 3131132423 is 3242311313.

It is a strong prime.

It is an emirp because it is prime and its reverse (3242311313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131132423 - 26 = 3131132359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131132429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565566211 + 1565566212.

It is an arithmetic number, because the mean of its divisors is an integer number (1565566212).

Almost surely, 23131132423 is an apocalyptic number.

3131132423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131132423 is an equidigital number, since it uses as much as digits as its factorization.

3131132423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 3131132423 is about 55956.5226135435. The cubic root of 3131132423 is about 1462.9645809506.

Adding to 3131132423 its reverse (3242311313), we get a palindrome (6373443736).

The spelling of 3131132423 in words is "three billion, one hundred thirty-one million, one hundred thirty-two thousand, four hundred twenty-three".