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31542102134 = 241393810353
BaseRepresentation
bin11101011000000011…
…100100100001110110
310000102020000210210222
4131120003210201312
51004044234232014
622253520414342
72164433305304
oct353003444166
9100366023728
1031542102134
1112416770204
1261434773b2
132c88a0897a
14175318b274
15c491dd08e
hex7580e4876

31542102134 has 8 divisors (see below), whose sum is σ = 47324596680. Its totient is φ = 15767236576.

The previous prime is 31542102079. The next prime is 31542102173. The reversal of 31542102134 is 43120124513.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896899 + ... + 1913454.

It is an arithmetic number, because the mean of its divisors is an integer number (5915574585).

Almost surely, 231542102134 is an apocalyptic number.

31542102134 is a deficient number, since it is larger than the sum of its proper divisors (15782494546).

31542102134 is a wasteful number, since it uses less digits than its factorization.

31542102134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814494.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31542102134 its reverse (43120124513), we get a palindrome (74662226647).

The spelling of 31542102134 in words is "thirty-one billion, five hundred forty-two million, one hundred two thousand, one hundred thirty-four".

Divisors: 1 2 4139 8278 3810353 7620706 15771051067 31542102134