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531434031115 = 51347173955493
BaseRepresentation
bin1111011101110111110…
…11111100100000001011
31212210201112212221111011
413232323323330200023
532201334102443430
61044045403344351
753252300506051
oct7567373744013
91783645787434
10531434031115
1119541a724309
1286bb42220b7
133b1636483a0
141ba15cbc1d1
15dc555c522a
hex7bbbefc80b

531434031115 has 16 divisors (see below), whose sum is σ = 701388551808. Its totient is φ = 384093726336.

The previous prime is 531434031113. The next prime is 531434031119. The reversal of 531434031115 is 511130434135.

It is a cyclic number.

It is not a de Polignac number, because 531434031115 - 21 = 531434031113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531434031113) 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, 86974692 + ... + 86980801.

It is an arithmetic number, because the mean of its divisors is an integer number (43836784488).

Almost surely, 2531434031115 is an apocalyptic number.

531434031115 is a deficient number, since it is larger than the sum of its proper divisors (169954520693).

531434031115 is a wasteful number, since it uses less digits than its factorization.

531434031115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173955558.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 531434031115 in words is "five hundred thirty-one billion, four hundred thirty-four million, thirty-one thousand, one hundred fifteen".

Divisors: 1 5 13 47 65 235 611 3055 173955493 869777465 2261421409 8175908171 11307107045 40879540855 106286806223 531434031115