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93131000011 = 764720563259
BaseRepresentation
bin101011010111100001…
…0100100100011001011
322220101110101222200201
41112233002210203023
53011213014000021
6110441144313031
76504605303320
oct1265702444313
9286343358621
1093131000011
1136551026805
1216071472777
138a226b24ca
144716a84b47
15265119a591
hex15af0a48cb

93131000011 has 8 divisors (see below), whose sum is σ = 106599939840. Its totient is φ = 79703188008.

The previous prime is 93130999981. The next prime is 93131000041. The reversal of 93131000011 is 11000013139.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (93130999981) and next prime (93131000041).

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

It is a cyclic number.

It is not a de Polignac number, because 93131000011 - 215 = 93130967243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93131000041) 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, 10277101 + ... + 10286158.

It is an arithmetic number, because the mean of its divisors is an integer number (13324992480).

Almost surely, 293131000011 is an apocalyptic number.

93131000011 is a deficient number, since it is larger than the sum of its proper divisors (13468939829).

93131000011 is a wasteful number, since it uses less digits than its factorization.

93131000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20563913.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 93131000011 in words is "ninety-three billion, one hundred thirty-one million, eleven", and thus it is an aban number.

Divisors: 1 7 647 4529 20563259 143942813 13304428573 93131000011