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131008083 = 3371180253
BaseRepresentation
bin1111100111100…
…00011001010011
3100010111220022020
413303300121103
5232014224313
620555542523
73150356523
oct763603123
9303456266
10131008083
1167a50348
1237a5aa43
13211ac59b
1413583683
15b77c323
hex7cf0653

131008083 has 8 divisors (see below), whose sum is σ = 179398608. Its totient is φ = 84978144.

The previous prime is 131008067. The next prime is 131008091. The reversal of 131008083 is 380800131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131008083 - 24 = 131008067 is a prime.

It is a super-2 number, since 2×1310080832 = 34326235622669778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131008013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590016 + ... + 590237.

It is an arithmetic number, because the mean of its divisors is an integer number (22424826).

Almost surely, 2131008083 is an apocalyptic number.

131008083 is a deficient number, since it is larger than the sum of its proper divisors (48390525).

131008083 is a wasteful number, since it uses less digits than its factorization.

131008083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180293.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 131008083 is about 11445.8762443074. The cubic root of 131008083 is about 507.8857532883.

The spelling of 131008083 in words is "one hundred thirty-one million, eight thousand, eighty-three".

Divisors: 1 3 37 111 1180253 3540759 43669361 131008083