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32031421331 = 7131519923159
BaseRepresentation
bin11101110101001110…
…001011001110010011
310001200022202210120012
4131311032023032103
51011100020440311
622414240305135
72212524406010
oct356516131623
9101608683505
1032031421331
11126479a1a38
12625b3121ab
1330361c1360
14179c162707
15c7714678b
hex77538b393

32031421331 has 16 divisors (see below), whose sum is σ = 39427584000. Its totient is φ = 25340780448.

The previous prime is 32031421327. The next prime is 32031421343. The reversal of 32031421331 is 13312413023.

It is a cyclic number.

It is not a de Polignac number, because 32031421331 - 22 = 32031421327 is a prime.

It is a super-2 number, since 2×320314213312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32031421297 and 32031421306.

It is not an unprimeable number, because it can be changed into a prime (32031421391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371530 + ... + 1394688.

It is an arithmetic number, because the mean of its divisors is an integer number (2464224000).

Almost surely, 232031421331 is an apocalyptic number.

32031421331 is a deficient number, since it is larger than the sum of its proper divisors (7396162669).

32031421331 is a wasteful number, since it uses less digits than its factorization.

32031421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378.

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

Adding to 32031421331 its reverse (13312413023), we get a palindrome (45343834354).

The spelling of 32031421331 in words is "thirty-two billion, thirty-one million, four hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 7 13 91 15199 23159 106393 162113 197587 301067 1383109 2107469 351993641 2463955487 4575917333 32031421331