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31002200941 is a prime number
BaseRepresentation
bin11100110111111000…
…000000101101101101
32222000121002222121111
4130313320000231231
51001443030412231
622124152432021
72145156234325
oct346770005555
988017088544
1031002200941
1112169a30478
1260126a8611
132c00bc2cca
1417015aa285
15c16ae24b1
hex737e00b6d

31002200941 has 2 divisors, whose sum is σ = 31002200942. Its totient is φ = 31002200940.

The previous prime is 31002200921. The next prime is 31002201007. The reversal of 31002200941 is 14900220013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27135972900 + 3866228041 = 164730^2 + 62179^2 .

It is a cyclic number.

It is not a de Polignac number, because 31002200941 - 29 = 31002200429 is a prime.

It is a super-2 number, since 2×310022009412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31002200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501100470 + 15501100471.

It is an arithmetic number, because the mean of its divisors is an integer number (15501100471).

Almost surely, 231002200941 is an apocalyptic number.

It is an amenable number.

31002200941 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002200941 is an equidigital number, since it uses as much as digits as its factorization.

31002200941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31002200941 its reverse (14900220013), we get a palindrome (45902420954).

The spelling of 31002200941 in words is "thirty-one billion, two million, two hundred thousand, nine hundred forty-one".