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31425026117 = 1943912013137
BaseRepresentation
bin11101010001000100…
…111101100001000101
310000010001201201201012
4131101010331201011
51003324301313432
622234135212005
72161512212642
oct352104754105
9100101651635
1031425026117
1112366676271
126110217005
132c6a696914
1417417d2dc9
15c3dcb3cb2
hex75113d845

31425026117 has 16 divisors (see below), whose sum is σ = 33192508800. Its totient is φ = 29669068800.

The previous prime is 31425026047. The next prime is 31425026137. The reversal of 31425026117 is 71162052413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31425026117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425026137) 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, 10015973 + ... + 10019109.

It is an arithmetic number, because the mean of its divisors is an integer number (2074531800).

Almost surely, 231425026117 is an apocalyptic number.

It is an amenable number.

31425026117 is a deficient number, since it is larger than the sum of its proper divisors (1767482683).

31425026117 is a wasteful number, since it uses less digits than its factorization.

31425026117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 31425026117 in words is "thirty-one billion, four hundred twenty-five million, twenty-six thousand, one hundred seventeen".

Divisors: 1 19 439 1201 3137 8341 22819 59603 527239 1377143 3767537 10017541 26165717 71583203 1653948743 31425026117