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31401130033 = 713587587849
BaseRepresentation
bin11101001111101001…
…110011100000110001
310000001101202200110001
4131033221303200301
51003302142130113
622231523110001
72161102126030
oct351751634061
9100041680401
1031401130033
1112354134839
126104212301
132c6574b020
14173c572717
15c3bb437dd
hex74fa73831

31401130033 has 16 divisors (see below), whose sum is σ = 38713449600. Its totient is φ = 24802482816.

The previous prime is 31401130009. The next prime is 31401130039. The reversal of 31401130033 is 33003110413.

It is a cyclic number.

It is not a de Polignac number, because 31401130033 - 29 = 31401129521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31401130039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240508 + ... + 347341.

It is an arithmetic number, because the mean of its divisors is an integer number (2419590600).

Almost surely, 231401130033 is an apocalyptic number.

It is an amenable number.

31401130033 is a deficient number, since it is larger than the sum of its proper divisors (7312319567).

31401130033 is a wasteful number, since it uses less digits than its factorization.

31401130033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588456.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31401130033 its reverse (33003110413), we get a palindrome (64404240446).

The spelling of 31401130033 in words is "thirty-one billion, four hundred one million, one hundred thirty thousand, thirty-three".

Divisors: 1 7 13 91 587 4109 7631 53417 587849 4114943 7642037 53494259 345067363 2415471541 4485875719 31401130033