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31433401234 = 217924511801
BaseRepresentation
bin11101010001100100…
…111010001110010010
310000010122111020012201
4131101210322032102
51003333422314414
622235034513414
72161643334124
oct352144721622
9100118436181
1031433401234
1112370376654
126112b9586a
132c6c339a01
141742973214
15c3e8ba574
hex75193a392

31433401234 has 8 divisors (see below), whose sum is σ = 49923637308. Its totient is φ = 14792188800.

The previous prime is 31433401229. The next prime is 31433401247. The reversal of 31433401234 is 43210433413.

It can be written as a sum of positive squares in 2 ways, for example, as 31206989025 + 226412209 = 176655^2 + 15047^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 462255867 + ... + 462255934.

Almost surely, 231433401234 is an apocalyptic number.

31433401234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31433401234 is a deficient number, since it is larger than the sum of its proper divisors (18490236074).

31433401234 is a wasteful number, since it uses less digits than its factorization.

31433401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924511820.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31433401234 its reverse (43210433413), we get a palindrome (74643834647).

The spelling of 31433401234 in words is "thirty-one billion, four hundred thirty-three million, four hundred one thousand, two hundred thirty-four".

Divisors: 1 2 17 34 924511801 1849023602 15716700617 31433401234