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3055111031 = 73001145433
BaseRepresentation
bin1011011000011001…
…0100101101110111
321212220201201110102
42312012110231313
522224102023111
61223053344315
7135465005150
oct26606245567
97786651412
103055111031
111328592155
1271319809b
13398c3c10b
1420da70927
1512d32d13b
hexb6194b77

3055111031 has 8 divisors (see below), whose sum is σ = 3492742944. Its totient is φ = 2617776000.

The previous prime is 3055110881. The next prime is 3055111057. The reversal of 3055111031 is 1301115503.

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

It is not a de Polignac number, because 3055111031 - 230 = 1981369207 is a prime.

It is a super-2 number, since 2×30551110312 = 18667406823475765922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3055110994 and 3055111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055111231) 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, 51710 + ... + 93723.

It is an arithmetic number, because the mean of its divisors is an integer number (436592868).

Almost surely, 23055111031 is an apocalyptic number.

3055111031 is a deficient number, since it is larger than the sum of its proper divisors (437631913).

3055111031 is a wasteful number, since it uses less digits than its factorization.

3055111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148441.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 3055111031 is about 55273.0588171127. The cubic root of 3055111031 is about 1451.0275761703.

Adding to 3055111031 its reverse (1301115503), we get a palindrome (4356226534).

The spelling of 3055111031 in words is "three billion, fifty-five million, one hundred eleven thousand, thirty-one".

Divisors: 1 7 3001 21007 145433 1018031 436444433 3055111031