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31411144113 = 310470381371
BaseRepresentation
bin11101010000010000…
…000000010110110001
310000002002121110011220
4131100100000112301
51003312223102423
622232521455253
72161253214426
oct352020002661
9100062543156
1031411144113
1112359854538
126107641529
132c6784610b
14173da1bd4d
15c3c9709e3
hex7504005b1

31411144113 has 4 divisors (see below), whose sum is σ = 41881525488. Its totient is φ = 20940762740.

The previous prime is 31411144099. The next prime is 31411144153. The reversal of 31411144113 is 31144111413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31411144113 - 26 = 31411144049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31411144153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5235190683 + ... + 5235190688.

It is an arithmetic number, because the mean of its divisors is an integer number (10470381372).

Almost surely, 231411144113 is an apocalyptic number.

It is an amenable number.

31411144113 is a deficient number, since it is larger than the sum of its proper divisors (10470381375).

31411144113 is a wasteful number, since it uses less digits than its factorization.

31411144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470381374.

The product of its digits is 576, while the sum is 24.

Adding to 31411144113 its reverse (31144111413), we get a palindrome (62555255526).

The spelling of 31411144113 in words is "thirty-one billion, four hundred eleven million, one hundred forty-four thousand, one hundred thirteen".

Divisors: 1 3 10470381371 31411144113