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313030213142 = 2156515106571
BaseRepresentation
bin1001000111000100000…
…11011111111000010110
31002220222121120102211212
410203202003133320112
520112041213310032
6355445403501422
731421115624053
oct4434203377026
91086877512755
10313030213142
11110834438299
1250801227872
132369854b5ba
14112178d402a
1582215ccbb2
hex48e20dfe16

313030213142 has 4 divisors (see below), whose sum is σ = 469545319716. Its totient is φ = 156515106570.

The previous prime is 313030213129. The next prime is 313030213213. The reversal of 313030213142 is 241312030313.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×3130302131423 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78257553284 + ... + 78257553287.

It is an arithmetic number, because the mean of its divisors is an integer number (117386329929).

Almost surely, 2313030213142 is an apocalyptic number.

313030213142 is a deficient number, since it is larger than the sum of its proper divisors (156515106574).

313030213142 is a wasteful number, since it uses less digits than its factorization.

313030213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156515106573.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313030213142 its reverse (241312030313), we get a palindrome (554342243455).

The spelling of 313030213142 in words is "three hundred thirteen billion, thirty million, two hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 156515106571 313030213142