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130033531 is a prime number
BaseRepresentation
bin1111100000000…
…10011101111011
3100001200101110201
413300002131323
5231242033111
620523023031
73136160335
oct760023573
9301611421
10130033531
1167445131
123766aa77
1320c2ab24
14133ac455
15b6386c1
hex7c0277b

130033531 has 2 divisors, whose sum is σ = 130033532. Its totient is φ = 130033530.

The previous prime is 130033487. The next prime is 130033567. The reversal of 130033531 is 135330031.

It is a strong prime.

It is an emirp because it is prime and its reverse (135330031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130033531 - 211 = 130031483 is a prime.

It is a super-2 number, since 2×1300335312 = 33817438368655922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130033499 and 130033508.

It is not a weakly prime, because it can be changed into another prime (130033331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65016765 + 65016766.

It is an arithmetic number, because the mean of its divisors is an integer number (65016766).

Almost surely, 2130033531 is an apocalyptic number.

130033531 is a deficient number, since it is larger than the sum of its proper divisors (1).

130033531 is an equidigital number, since it uses as much as digits as its factorization.

130033531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 130033531 is about 11403.2245878085. The cubic root of 130033531 is about 506.6232523300.

Adding to 130033531 its reverse (135330031), we get a palindrome (265363562).

The spelling of 130033531 in words is "one hundred thirty million, thirty-three thousand, five hundred thirty-one".