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31034410431 = 3167224327617
BaseRepresentation
bin11100111001110010…
…111000010110111111
32222002211201101201120
4130321302320112333
51002024302113211
622131303042023
72146030064463
oct347162702677
988084641646
1031034410431
111218612a992
126021440313
132c0778c88b
1417059924a3
15c19855d06
hex739cb85bf

31034410431 has 16 divisors (see below), whose sum is σ = 41647060224. Its totient is φ = 20555803904.

The previous prime is 31034410427. The next prime is 31034410453. The reversal of 31034410431 is 13401443013.

It is a cyclic number.

It is not a de Polignac number, because 31034410431 - 22 = 31034410427 is a prime.

It is a super-2 number, since 2×310344104312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034410471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109935 + ... + 1137551.

It is an arithmetic number, because the mean of its divisors is an integer number (2602941264).

Almost surely, 231034410431 is an apocalyptic number.

31034410431 is a deficient number, since it is larger than the sum of its proper divisors (10612649793).

31034410431 is a wasteful number, since it uses less digits than its factorization.

31034410431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31034410431 its reverse (13401443013), we get a palindrome (44435853444).

The spelling of 31034410431 in words is "thirty-one billion, thirty-four million, four hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 167 501 2243 6729 27617 82851 374581 1123743 4612039 13836117 61944931 185834793 10344803477 31034410431