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10223020131 = 34497589473
BaseRepresentation
bin10011000010101011…
…01110100001100011
3222101110102020020020
421201111232201203
5131414043121011
64410230444523
7511223144262
oct114125564143
928343366206
1010223020131
1143766a0375
121b93803743
13c6bc7474c
146cda185d9
153ec763006
hex26156e863

10223020131 has 8 divisors (see below), whose sum is σ = 13661053200. Its totient is φ = 6800166912.

The previous prime is 10223020127. The next prime is 10223020139. The reversal of 10223020131 is 13102032201.

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

It is not a de Polignac number, because 10223020131 - 22 = 10223020127 is a prime.

It is a super-2 number, since 2×102230201312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10223020131.

It is not an unprimeable number, because it can be changed into a prime (10223020139) 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, 3793390 + ... + 3796083.

It is an arithmetic number, because the mean of its divisors is an integer number (1707631650).

Almost surely, 210223020131 is an apocalyptic number.

10223020131 is a deficient number, since it is larger than the sum of its proper divisors (3438033069).

10223020131 is an equidigital number, since it uses as much as digits as its factorization.

10223020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589925.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10223020131 its reverse (13102032201), we get a palindrome (23325052332).

The spelling of 10223020131 in words is "ten billion, two hundred twenty-three million, twenty thousand, one hundred thirty-one".

Divisors: 1 3 449 1347 7589473 22768419 3407673377 10223020131