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315504221015131 = 2232415870610517
BaseRepresentation
bin100011110111100110000110…
…1000001001100110001011011
31112101002220112122002110112221
41013233030031001030301123
5312323210121034441011
63035004345504044511
7123312266500614601
oct10757141501146133
91471086478073487
10315504221015131
1191590652648655
122b4769b9303737
1310707bc70c8545
1457ca6b2d77871
152671ec7487971
hex11ef30d04cc5b

315504221015131 has 8 divisors (see below), whose sum is σ = 318234054959744. Its totient is φ = 312786128292480.

The previous prime is 315504221015111. The next prime is 315504221015173. The reversal of 315504221015131 is 131510122405513.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-315504221015131 is a prime.

It is a super-2 number, since 2×3155042210151312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315504221015111) 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, 2935251516 + ... + 2935359001.

It is an arithmetic number, because the mean of its divisors is an integer number (39779256869968).

Almost surely, 2315504221015131 is an apocalyptic number.

315504221015131 is a deficient number, since it is larger than the sum of its proper divisors (2729833944613).

315504221015131 is a wasteful number, since it uses less digits than its factorization.

315504221015131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870610981.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 315504221015131 in words is "three hundred fifteen trillion, five hundred four billion, two hundred twenty-one million, fifteen thousand, one hundred thirty-one".

Divisors: 1 223 241 53743 5870610517 1309146145291 1414817134597 315504221015131