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98131 = 112811
BaseRepresentation
bin10111111101010011
311222121111
4113331103
511120011
62034151
7556045
oct277523
9158544
1098131
1167800
1248957
1335887
1427a95
151e121
hex17f53

98131 has 6 divisors (see below), whose sum is σ = 107996. Its totient is φ = 89100.

The previous prime is 98129. The next prime is 98143. The reversal of 98131 is 13189.

It is not a de Polignac number, because 98131 - 21 = 98129 is a prime.

It is a super-2 number, since 2×981312 = 19259386322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285 + ... + 526.

298131 is an apocalyptic number.

98131 is a deficient number, since it is larger than the sum of its proper divisors (9865).

98131 is a wasteful number, since it uses less digits than its factorization.

98131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 822 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 98131 is about 313.2586790498. The cubic root of 98131 is about 46.1248968743.

The spelling of 98131 in words is "ninety-eight thousand, one hundred thirty-one".

Divisors: 1 11 121 811 8921 98131