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31579051134 = 2343769159167
BaseRepresentation
bin11101011010010000…
…100001010001111110
310000111210120000022110
4131122100201101332
51004133214114014
622301320354450
72165362335321
oct353220412176
9100453500273
1031579051134
1112435607574
126153915a26
132c93574897
1417580487b8
15c4c58ad59
hex75a42147e

31579051134 has 32 divisors (see below), whose sum is σ = 64711342080. Its totient is φ = 10268116992.

The previous prime is 31579051073. The next prime is 31579051157. The reversal of 31579051134 is 43115097513.

It is a junction number, because it is equal to n+sod(n) for n = 31579051092 and 31579051101.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 118819 + ... + 277985.

It is an arithmetic number, because the mean of its divisors is an integer number (2022229440).

Almost surely, 231579051134 is an apocalyptic number.

31579051134 is an abundant number, since it is smaller than the sum of its proper divisors (33132290946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31579051134 is a wasteful number, since it uses less digits than its factorization.

31579051134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159984.

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 31579051134 in words is "thirty-one billion, five hundred seventy-nine million, fifty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 43 86 129 258 769 1538 2307 4614 33067 66134 99201 159167 198402 318334 477501 955002 6844181 13688362 20532543 41065086 122399423 244798846 367198269 734396538 5263175189 10526350378 15789525567 31579051134