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140103042031 = 302346345697
BaseRepresentation
bin1000001001111011001…
…0101100001111101111
3111101122000120221211201
42002132302230033233
54243412334321111
6144210142230331
713056612131251
oct2023662541757
9441560527751
10140103042031
1154465573147
12231a02853a7
131029a02c304
146ad11b1cd1
15399ecc76c1
hex209ecac3ef

140103042031 has 4 divisors (see below), whose sum is σ = 140149390752. Its totient is φ = 140056693312.

The previous prime is 140103042017. The next prime is 140103042067. The reversal of 140103042031 is 130240301041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130240301041 = 891463374169.

It is a cyclic number.

It is not a de Polignac number, because 140103042031 - 25 = 140103041999 is a prime.

It is a super-2 number, since 2×1401030420312 (a number of 23 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 (140103048031) 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, 23169826 + ... + 23175871.

It is an arithmetic number, because the mean of its divisors is an integer number (35037347688).

Almost surely, 2140103042031 is an apocalyptic number.

140103042031 is a deficient number, since it is larger than the sum of its proper divisors (46348721).

140103042031 is an equidigital number, since it uses as much as digits as its factorization.

140103042031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46348720.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 140103042031 its reverse (130240301041), we get a palindrome (270343343072).

The spelling of 140103042031 in words is "one hundred forty billion, one hundred three million, forty-two thousand, thirty-one".

Divisors: 1 3023 46345697 140103042031