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31030114141 = 132712787991
BaseRepresentation
bin11100111001100010…
…011111011101011101
32222002112122010022201
4130321202133131131
51002022202123031
622131031011501
72145645422035
oct347142373535
988075563281
1031030114141
1112183766034
12601bb09b91
132c069171b0
1417051948c5
15c192a7d61
hex73989f75d

31030114141 has 8 divisors (see below), whose sum is σ = 33418657664. Its totient is φ = 28641800880.

The previous prime is 31030114139. The next prime is 31030114163. The reversal of 31030114141 is 14141103013.

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 31030114141 - 21 = 31030114139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030114741) 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, 308656 + ... + 396646.

It is an arithmetic number, because the mean of its divisors is an integer number (4177332208).

Almost surely, 231030114141 is an apocalyptic number.

It is an amenable number.

31030114141 is a deficient number, since it is larger than the sum of its proper divisors (2388543523).

31030114141 is a wasteful number, since it uses less digits than its factorization.

31030114141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115131.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31030114141 its reverse (14141103013), we get a palindrome (45171217154).

The spelling of 31030114141 in words is "thirty-one billion, thirty million, one hundred fourteen thousand, one hundred forty-one".

Divisors: 1 13 27127 87991 352651 1143883 2386931857 31030114141