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31434225415 = 531321200723
BaseRepresentation
bin11101010001101000…
…000011011100000111
310000010201001002202221
4131101220003130013
51003334130203130
622235104313211
72161653336025
oct352150033407
9100121032687
1031434225415
111237088989a
126113312807
132c6c567ba8
141742b09715
15c3e9ce87a
hex751a03707

31434225415 has 8 divisors (see below), whose sum is σ = 37722462768. Its totient is φ = 25146452160.

The previous prime is 31434225409. The next prime is 31434225439. The reversal of 31434225415 is 51452243413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31434225415 - 211 = 31434223367 is a prime.

It is a super-2 number, since 2×314342254152 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56244 + ... + 256966.

It is an arithmetic number, because the mean of its divisors is an integer number (4715307846).

Almost surely, 231434225415 is an apocalyptic number.

31434225415 is a deficient number, since it is larger than the sum of its proper divisors (6288237353).

31434225415 is a wasteful number, since it uses less digits than its factorization.

31434225415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232049.

The product of its digits is 57600, while the sum is 34.

Adding to 31434225415 its reverse (51452243413), we get a palindrome (82886468828).

The spelling of 31434225415 in words is "thirty-one billion, four hundred thirty-four million, two hundred twenty-five thousand, four hundred fifteen".

Divisors: 1 5 31321 156605 200723 1003615 6286845083 31434225415