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2031312441 = 3677104147
BaseRepresentation
bin111100100010011…
…0101111000111001
312020120021100211010
41321010311320321
513130003444231
6533322024133
7101223604464
oct17104657071
95216240733
102031312441
11952694114
12488348049
13264abb832
14153aca2db
15bd4ea546
hex79135e39

2031312441 has 4 divisors (see below), whose sum is σ = 2708416592. Its totient is φ = 1354208292.

The previous prime is 2031312431. The next prime is 2031312443. The reversal of 2031312441 is 1442131302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2031312441 - 26 = 2031312377 is a prime.

It is a super-2 number, since 2×20313124412 = 8252460465922756962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031312443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338552071 + ... + 338552076.

It is an arithmetic number, because the mean of its divisors is an integer number (677104148).

Almost surely, 22031312441 is an apocalyptic number.

It is an amenable number.

2031312441 is a deficient number, since it is larger than the sum of its proper divisors (677104151).

2031312441 is an equidigital number, since it uses as much as digits as its factorization.

2031312441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677104150.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2031312441 is about 45070.0836586754. The cubic root of 2031312441 is about 1266.4622316036.

Adding to 2031312441 its reverse (1442131302), we get a palindrome (3473443743).

The spelling of 2031312441 in words is "two billion, thirty-one million, three hundred twelve thousand, four hundred forty-one".

Divisors: 1 3 677104147 2031312441