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1003201142431 = 7229138774539
BaseRepresentation
bin11101001100100110111…
…00101001111010011111
310112220102210221022100211
432212103130221322133
5112414023443024211
62044510402033251
7132323155004545
oct16462334517237
93486383838324
101003201142431
11357500989654
12142516048827
13737a8547367
14367ab64bd95
151b1677dce21
hexe993729e9f

1003201142431 has 4 divisors (see below), whose sum is σ = 1003339924200. Its totient is φ = 1003062360664.

The previous prime is 1003201142407. The next prime is 1003201142441. The reversal of 1003201142431 is 1342411023001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003201142431 - 25 = 1003201142399 is a prime.

It is a super-2 number, since 2×10032011424312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003201142441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69380041 + ... + 69394498.

It is an arithmetic number, because the mean of its divisors is an integer number (250834981050).

Almost surely, 21003201142431 is an apocalyptic number.

1003201142431 is a deficient number, since it is larger than the sum of its proper divisors (138781769).

1003201142431 is an equidigital number, since it uses as much as digits as its factorization.

1003201142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138781768.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1003201142431 its reverse (1342411023001), we get a palindrome (2345612165432).

The spelling of 1003201142431 in words is "one trillion, three billion, two hundred one million, one hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 7229 138774539 1003201142431