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23201332031 is a prime number
BaseRepresentation
bin10101100110111010…
…000011101100111111
32012212221101210012202
4111212322003230333
5340004020111111
614354125022115
71450644032303
oct254672035477
965787353182
1023201332031
119926602179
1245b60b493b
1322599c1847
1411a1539d03
1590bd2db3b
hex566e83b3f

23201332031 has 2 divisors, whose sum is σ = 23201332032. Its totient is φ = 23201332030.

The previous prime is 23201331983. The next prime is 23201332039. The reversal of 23201332031 is 13023310232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23201332031 is a prime.

It is a super-2 number, since 2×232013320312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23201331994 and 23201332012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201332039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600666015 + 11600666016.

It is an arithmetic number, because the mean of its divisors is an integer number (11600666016).

Almost surely, 223201332031 is an apocalyptic number.

23201332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201332031 is an equidigital number, since it uses as much as digits as its factorization.

23201332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23201332031 its reverse (13023310232), we get a palindrome (36224642263).

The spelling of 23201332031 in words is "twenty-three billion, two hundred one million, three hundred thirty-two thousand, thirty-one".