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3131146364 = 227309107099
BaseRepresentation
bin1011101010100001…
…1000000001111100
322002012210201022212
42322220120001330
522403033140424
61234411155552
7140410206413
oct27250300174
98065721285
103131146364
1113674a5675
12734745bb8
133ab911a38
14219bc447a
15134d4c10e
hexbaa1807c

3131146364 has 12 divisors (see below), whose sum is σ = 5480307000. Its totient is φ = 1565344368.

The previous prime is 3131146339. The next prime is 3131146379. The reversal of 3131146364 is 4636411313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131146364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24314 + ... + 82785.

It is an arithmetic number, because the mean of its divisors is an integer number (456692250).

Almost surely, 23131146364 is an apocalyptic number.

It is an amenable number.

3131146364 is a deficient number, since it is larger than the sum of its proper divisors (2349160636).

3131146364 is a wasteful number, since it uses less digits than its factorization.

3131146364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114412 (or 114410 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 3131146364 is about 55956.6471833329. The cubic root of 3131146364 is about 1462.9667521735.

Adding to 3131146364 its reverse (4636411313), we get a palindrome (7767557677).

The spelling of 3131146364 in words is "three billion, one hundred thirty-one million, one hundred forty-six thousand, three hundred sixty-four".

Divisors: 1 2 4 7309 14618 29236 107099 214198 428396 782786591 1565573182 3131146364