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2031141031 = 14913631819
BaseRepresentation
bin111100100010000…
…1100000010100111
312020112221122200121
41321010030002213
513124433003111
6533314222411
7101222261653
oct17104140247
95215848617
102031141031
11952587357
12488284a07
13264a5b7ca
14153a83a63
15bd4b4871
hex7910c0a7

2031141031 has 4 divisors (see below), whose sum is σ = 2044773000. Its totient is φ = 2017509064.

The previous prime is 2031141029. The next prime is 2031141041. The reversal of 2031141031 is 1301411302.

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 2031141031 - 21 = 2031141029 is a prime.

It is a super-2 number, since 2×20311410312 = 8251067775623485922, 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 = 2031140996 and 2031141014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031141041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815761 + ... + 6816058.

It is an arithmetic number, because the mean of its divisors is an integer number (511193250).

Almost surely, 22031141031 is an apocalyptic number.

2031141031 is a deficient number, since it is larger than the sum of its proper divisors (13631969).

2031141031 is a wasteful number, since it uses less digits than its factorization.

2031141031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631968.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2031141031 is about 45068.1820245725. The cubic root of 2031141031 is about 1266.4266076078.

Adding to 2031141031 its reverse (1301411302), we get a palindrome (3332552333).

The spelling of 2031141031 in words is "two billion, thirty-one million, one hundred forty-one thousand, thirty-one".

Divisors: 1 149 13631819 2031141031