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2311021030 = 25231102103
BaseRepresentation
bin1000100110111111…
…0110000111100110
312222001121000212111
42021233312013212
514213110133110
61021153111234
7111161232433
oct21157660746
95861530774
102311021030
11a8656933a
12545b5851a
132aaa33686
1417ccdab8a
15d7d4be8a
hex89bf61e6

2311021030 has 8 divisors (see below), whose sum is σ = 4159837872. Its totient is φ = 924408408.

The previous prime is 2311020967. The next prime is 2311021033. The reversal of 2311021030 is 301201132.

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

It is a super-2 number, since 2×23110210302 = 10681636402204521800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2311021030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311021033) 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, 115551042 + ... + 115551061.

It is an arithmetic number, because the mean of its divisors is an integer number (519979734).

Almost surely, 22311021030 is an apocalyptic number.

2311021030 is a deficient number, since it is larger than the sum of its proper divisors (1848816842).

2311021030 is a wasteful number, since it uses less digits than its factorization.

2311021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231102110.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2311021030 is about 48073.0800968692. The cubic root of 2311021030 is about 1322.1111438542. Note that the first 4 decimals are identical.

Adding to 2311021030 its reverse (301201132), we get a palindrome (2612222162).

The spelling of 2311021030 in words is "two billion, three hundred eleven million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 231102103 462204206 1155510515 2311021030