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31443202101 = 337283272091
BaseRepresentation
bin11101010010001010…
…010011000000110101
310000011022221011110210
4131102022103000311
51003343424431401
622240024540033
72162122544103
oct352212230065
9100138834423
1031443202101
1112375960143
126116321619
132c7138ba3c
141743da4c73
15c406a44d6
hex752293035

31443202101 has 8 divisors (see below), whose sum is σ = 43057357984. Its totient is φ = 20395590480.

The previous prime is 31443202079. The next prime is 31443202103. The reversal of 31443202101 is 10120234413.

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

It is not a de Polignac number, because 31443202101 - 214 = 31443185717 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 (31443202103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141635935 + ... + 141636156.

It is an arithmetic number, because the mean of its divisors is an integer number (5382169748).

Almost surely, 231443202101 is an apocalyptic number.

It is an amenable number.

31443202101 is a deficient number, since it is larger than the sum of its proper divisors (11614155883).

31443202101 is a wasteful number, since it uses less digits than its factorization.

31443202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283272131.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31443202101 its reverse (10120234413), we get a palindrome (41563436514).

The spelling of 31443202101 in words is "thirty-one billion, four hundred forty-three million, two hundred two thousand, one hundred one".

Divisors: 1 3 37 111 283272091 849816273 10481067367 31443202101