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131070253 is a prime number
BaseRepresentation
bin1111100111111…
…11100100101101
3100010122001120211
413303333210231
5232023222003
621001142421
73151036006
oct763774455
9303561524
10131070253
1167a93026
1237a8aa11
1321201982
141359c1ad
15b79096d
hex7cff92d

131070253 has 2 divisors, whose sum is σ = 131070254. Its totient is φ = 131070252.

The previous prime is 131070239. The next prime is 131070283. The reversal of 131070253 is 352070131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78623689 + 52446564 = 8867^2 + 7242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131070253 is a prime.

It is a super-2 number, since 2×1310702532 = 34358822442968018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131070283) 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, 65535126 + 65535127.

It is an arithmetic number, because the mean of its divisors is an integer number (65535127).

Almost surely, 2131070253 is an apocalyptic number.

It is an amenable number.

131070253 is a deficient number, since it is larger than the sum of its proper divisors (1).

131070253 is an equidigital number, since it uses as much as digits as its factorization.

131070253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 131070253 is about 11448.5917474596. The cubic root of 131070253 is about 507.9660797923.

The spelling of 131070253 in words is "one hundred thirty-one million, seventy thousand, two hundred fifty-three".