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31339494325 = 525412317153
BaseRepresentation
bin11101001011111110…
…101011101110110101
32222220002210021011001
4131023332223232311
51003140402304300
622221442043301
72156423210056
oct351376535665
988802707131
1031339494325
1112322366a37
1260a7649531
132c55a4a6a9
1417342ca72d
15c3651b16a
hex74bfabbb5

31339494325 has 12 divisors (see below), whose sum is σ = 38932821508. Its totient is φ = 25025241600.

The previous prime is 31339494313. The next prime is 31339494337. The reversal of 31339494325 is 52349493313.

It is an interprime number because it is at equal distance from previous prime (31339494313) and next prime (31339494337).

It can be written as a sum of positive squares in 6 ways, for example, as 349764804 + 30989729521 = 18702^2 + 176039^2 .

It is not a de Polignac number, because 31339494325 - 213 = 31339486133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145052 + ... + 1172101.

Almost surely, 231339494325 is an apocalyptic number.

It is an amenable number.

31339494325 is a deficient number, since it is larger than the sum of its proper divisors (7593327183).

31339494325 is a wasteful number, since it uses less digits than its factorization.

31339494325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317704 (or 2317699 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 46.

The spelling of 31339494325 in words is "thirty-one billion, three hundred thirty-nine million, four hundred ninety-four thousand, three hundred twenty-five".

Divisors: 1 5 25 541 2705 13525 2317153 11585765 57928825 1253579773 6267898865 31339494325