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31610442134 = 2292197724799
BaseRepresentation
bin11101011100001000…
…010001000110010110
310000120222121211200002
4131130020101012112
51004214233122014
622304401251302
72166223216265
oct353410210626
9100528554602
1031610442134
11124512a8047
126162333b32
132c99c15a3b
14175c29a5dc
15c501dbdde
hex75c211196

31610442134 has 16 divisors (see below), whose sum is σ = 49054896000. Its totient is φ = 15258903744.

The previous prime is 31610442131. The next prime is 31610442137. The reversal of 31610442134 is 43124401613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31610442131) and next prime (31610442137).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31610442097 and 31610442106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31610442131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262267 + ... + 1287065.

It is an arithmetic number, because the mean of its divisors is an integer number (3065931000).

Almost surely, 231610442134 is an apocalyptic number.

31610442134 is a deficient number, since it is larger than the sum of its proper divisors (17444453866).

31610442134 is a wasteful number, since it uses less digits than its factorization.

31610442134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46807.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31610442134 its reverse (43124401613), we get a palindrome (74734843747).

The spelling of 31610442134 in words is "thirty-one billion, six hundred ten million, four hundred forty-two thousand, one hundred thirty-four".

Divisors: 1 2 29 58 21977 24799 43954 49598 637333 719171 1274666 1438342 545007623 1090015246 15805221067 31610442134