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31342422403 = 193234769193
BaseRepresentation
bin11101001100001001…
…110110100110000011
32222220022022000201101
4131030021312212003
51003142130004103
622222024515231
72156460123535
oct351411664603
988808260641
1031342422403
1112323a86936
1260a861bb17
132c56534396
14173484d855
15c368e8a1d
hex74c276983

31342422403 has 8 divisors (see below), whose sum is σ = 31518697328. Its totient is φ = 31166290944.

The previous prime is 31342422379. The next prime is 31342422409. The reversal of 31342422403 is 30422424313.

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

It is a cyclic number.

It is not a de Polignac number, because 31342422403 - 213 = 31342414211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342422409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 418375 + ... + 487567.

It is an arithmetic number, because the mean of its divisors is an integer number (3939837166).

Almost surely, 231342422403 is an apocalyptic number.

31342422403 is a deficient number, since it is larger than the sum of its proper divisors (176274925).

31342422403 is a wasteful number, since it uses less digits than its factorization.

31342422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71733.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31342422403 its reverse (30422424313), we get a palindrome (61764846716).

The spelling of 31342422403 in words is "thirty-one billion, three hundred forty-two million, four hundred twenty-two thousand, four hundred three".

Divisors: 1 193 2347 69193 452971 13354249 162395971 31342422403