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5551101131 is a prime number
BaseRepresentation
bin1010010101101111…
…10001010011001011
3112022212101011012012
411022313301103023
542332040214011
62314455210135
7254363403212
oct51267612313
915285334165
105551101131
1123994a7494
1210ab07694b
136a6096334
143a935a079
15227515a8b
hex14adf14cb

5551101131 has 2 divisors, whose sum is σ = 5551101132. Its totient is φ = 5551101130.

The previous prime is 5551101107. The next prime is 5551101163. The reversal of 5551101131 is 1311011555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5551101131 - 26 = 5551101067 is a prime.

It is a super-2 number, since 2×55511011312 = 61629447533178958322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5551101097 and 5551101106.

It is not a weakly prime, because it can be changed into another prime (5551101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775550565 + 2775550566.

It is an arithmetic number, because the mean of its divisors is an integer number (2775550566).

Almost surely, 25551101131 is an apocalyptic number.

5551101131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551101131 is an equidigital number, since it uses as much as digits as its factorization.

5551101131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 23.

The square root of 5551101131 is about 74505.7120696125. The cubic root of 5551101131 is about 1770.6241354945.

Adding to 5551101131 its reverse (1311011555), we get a palindrome (6862112686).

The spelling of 5551101131 in words is "five billion, five hundred fifty-one million, one hundred one thousand, one hundred thirty-one".