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1010321131 = 3113248621
BaseRepresentation
bin111100001110000…
…100011011101011
32121102002122001011
4330032010123223
54032120234011
6244130404351
734015405441
oct7416043353
92542078034
101010321131
11479333246
122424306b7
13131411c71
1498276b91
155da6e621
hex3c3846eb

1010321131 has 4 divisors (see below), whose sum is σ = 1013570064. Its totient is φ = 1007072200.

The previous prime is 1010321113. The next prime is 1010321167. The reversal of 1010321131 is 1311230101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010321131 - 25 = 1010321099 is a prime.

It is a super-2 number, since 2×10103211312 = 2041497575490238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010321531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624000 + ... + 1624621.

It is an arithmetic number, because the mean of its divisors is an integer number (253392516).

Almost surely, 21010321131 is an apocalyptic number.

1010321131 is a deficient number, since it is larger than the sum of its proper divisors (3248933).

1010321131 is an equidigital number, since it uses as much as digits as its factorization.

1010321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248932.

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

The square root of 1010321131 is about 31785.5490907425. The cubic root of 1010321131 is about 1003.4286082109.

Adding to 1010321131 its reverse (1311230101), we get a palindrome (2321551232).

The spelling of 1010321131 in words is "one billion, ten million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 311 3248621 1010321131