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1010123131 = 2353828649
BaseRepresentation
bin111100001101010…
…100000101111011
32121101201120102211
4330031110011323
54032042420011
6244122235551
734013622253
oct7415240573
92541646384
101010123131
11479208506
12242355bb7
13131372ac4
1498224963
155da30b21
hex3c35417b

1010123131 has 8 divisors (see below), whose sum is σ = 1073930400. Its totient is φ = 947973312.

The previous prime is 1010123123. The next prime is 1010123141. The reversal of 1010123131 is 1313210101.

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 1010123131 - 23 = 1010123123 is a prime.

It is a super-2 number, since 2×10101231312 = 2040697479562486322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010123141) 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, 413106 + ... + 415543.

It is an arithmetic number, because the mean of its divisors is an integer number (134241300).

Almost surely, 21010123131 is an apocalyptic number.

1010123131 is a deficient number, since it is larger than the sum of its proper divisors (63807269).

1010123131 is an equidigital number, since it uses as much as digits as its factorization.

1010123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828725.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1010123131 is about 31782.4343152000. The cubic root of 1010123131 is about 1003.3630541877.

Adding to 1010123131 its reverse (1313210101), we get a palindrome (2323333232).

The spelling of 1010123131 in words is "one billion, ten million, one hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 23 53 1219 828649 19058927 43918397 1010123131