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31323003113 is a prime number
BaseRepresentation
bin11101001010111111…
…110001100011101001
32222211221202102110102
4131022333301203221
51003122142044423
622220052355145
72156133063533
oct351277614351
988757672412
1031323003113
1112314022936
1260a2015ab5
132c524c538c
141732036853
15c34d5ec28
hex74aff18e9

31323003113 has 2 divisors, whose sum is σ = 31323003114. Its totient is φ = 31323003112.

The previous prime is 31323003097. The next prime is 31323003121. The reversal of 31323003113 is 31130032313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27769889449 + 3553113664 = 166643^2 + 59608^2 .

It is a cyclic number.

It is not a de Polignac number, because 31323003113 - 24 = 31323003097 is a prime.

It is a super-2 number, since 2×313230031132 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31323003163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661501556 + 15661501557.

It is an arithmetic number, because the mean of its divisors is an integer number (15661501557).

Almost surely, 231323003113 is an apocalyptic number.

It is an amenable number.

31323003113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31323003113 is an equidigital number, since it uses as much as digits as its factorization.

31323003113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31323003113 its reverse (31130032313), we get a palindrome (62453035426).

The spelling of 31323003113 in words is "thirty-one billion, three hundred twenty-three million, three thousand, one hundred thirteen".