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31141040331 = 383125064419
BaseRepresentation
bin11101000000001001…
…101001000011001011
32222101021100202110010
4131000021221003023
51002234101242311
622150032323003
72151463322022
oct350011510313
988337322403
1031141040331
111223033a575
1260510a3463
132c238b4cab
141715bcb8b9
15c23db9da6
hex7402690cb

31141040331 has 8 divisors (see below), whose sum is σ = 42021645120. Its totient is φ = 20510564552.

The previous prime is 31141040327. The next prime is 31141040389. The reversal of 31141040331 is 13304014113.

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 31141040331 - 22 = 31141040327 is a prime.

It is a super-2 number, since 2×311410403312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31141040298 and 31141040307.

It is not an unprimeable number, because it can be changed into a prime (31141040321) 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, 62531961 + ... + 62532458.

It is an arithmetic number, because the mean of its divisors is an integer number (5252705640).

Almost surely, 231141040331 is an apocalyptic number.

31141040331 is a deficient number, since it is larger than the sum of its proper divisors (10880604789).

31141040331 is a wasteful number, since it uses less digits than its factorization.

31141040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125064505.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31141040331 its reverse (13304014113), we get a palindrome (44445054444).

The spelling of 31141040331 in words is "thirty-one billion, one hundred forty-one million, forty thousand, three hundred thirty-one".

Divisors: 1 3 83 249 125064419 375193257 10380346777 31141040331