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302030011312031 = 1699191777494049
BaseRepresentation
bin100010010101100011101011…
…1100010010010011110011111
31110121101210020210101001101102
41010223013113202102132133
5304041424430343441111
62550210401031503315
7120421643145066512
oct10453072742223637
91417353223331342
10302030011312031
1188266232530222
1229a5b533827b3b
13cc6b400492092
14548248b036d79
1524db76144c13b
hex112b1d789279f

302030011312031 has 4 divisors (see below), whose sum is σ = 302031788976000. Its totient is φ = 302028233648064.

The previous prime is 302030011312021. The next prime is 302030011312079. The reversal of 302030011312031 is 130213110030203.

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 302030011312031 - 230 = 302028937570207 is a prime.

It is a super-2 number, since 2×3020300113120312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302030011311994 and 302030011312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302030011312021) 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, 888577106 + ... + 888916943.

It is an arithmetic number, because the mean of its divisors is an integer number (75507947244000).

Almost surely, 2302030011312031 is an apocalyptic number.

302030011312031 is a deficient number, since it is larger than the sum of its proper divisors (1777663969).

302030011312031 is a wasteful number, since it uses less digits than its factorization.

302030011312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777663968.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 302030011312031 its reverse (130213110030203), we get a palindrome (432243121342234).

The spelling of 302030011312031 in words is "three hundred two trillion, thirty billion, eleven million, three hundred twelve thousand, thirty-one".

Divisors: 1 169919 1777494049 302030011312031