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31342717106 = 215671358553
BaseRepresentation
bin11101001100001010…
…111110100010110010
32222220022211222222022
4131030022332202302
51003142213421411
622222035111442
72156462461661
oct351412764262
988808758868
1031342717106
1112324168298
1260a8742582
132c5660856c
1417348c8dd8
15c36955edb
hex74c2be8b2

31342717106 has 4 divisors (see below), whose sum is σ = 47014075662. Its totient is φ = 15671358552.

The previous prime is 31342717103. The next prime is 31342717117. The reversal of 31342717106 is 60171724313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19318498081 + 12024219025 = 138991^2 + 109655^2 .

It is not an unprimeable number, because it can be changed into a prime (31342717103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7835679275 + ... + 7835679278.

Almost surely, 231342717106 is an apocalyptic number.

31342717106 is a deficient number, since it is larger than the sum of its proper divisors (15671358556).

31342717106 is a wasteful number, since it uses less digits than its factorization.

31342717106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671358555.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 31342717106 in words is "thirty-one billion, three hundred forty-two million, seven hundred seventeen thousand, one hundred six".

Divisors: 1 2 15671358553 31342717106