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31035425043 = 373167466649
BaseRepresentation
bin11100111001110110…
…110000000100010011
32222002220121221111210
4130321312300010103
51002030032100133
622131340511203
72146041521520
oct347166600423
988086557453
1031035425043
1112186763207
12602184b503
132c07a5663c
141705b78147
15c199a6763
hex739db0113

31035425043 has 16 divisors (see below), whose sum is σ = 47307110400. Its totient is φ = 17728890816.

The previous prime is 31035425041. The next prime is 31035425051. The reversal of 31035425043 is 34052453013.

It is not a de Polignac number, because 31035425043 - 21 = 31035425041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31035425043.

It is not an unprimeable number, because it can be changed into a prime (31035425041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166818 + ... + 299831.

It is an arithmetic number, because the mean of its divisors is an integer number (2956694400).

Almost surely, 231035425043 is an apocalyptic number.

31035425043 is a deficient number, since it is larger than the sum of its proper divisors (16271685357).

31035425043 is a wasteful number, since it uses less digits than its factorization.

31035425043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469826.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 31035425043 its reverse (34052453013), we get a palindrome (65087878056).

The spelling of 31035425043 in words is "thirty-one billion, thirty-five million, four hundred twenty-five thousand, forty-three".

Divisors: 1 3 7 21 3167 9501 22169 66507 466649 1399947 3266543 9799629 1477877383 4433632149 10345141681 31035425043