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140322331 = 401349931
BaseRepresentation
bin10000101110100…
…10011000011011
3100210001010001101
420113102120123
5241410303311
621531332231
73322502002
oct1027223033
9323033041
10140322331
1172232276
123abb1077
13230c0c86
14148c9c39
15c4bbec1
hex85d261b

140322331 has 4 divisors (see below), whose sum is σ = 140672664. Its totient is φ = 139972000.

The previous prime is 140322319. The next prime is 140322367. The reversal of 140322331 is 133223041.

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 140322331 - 215 = 140289563 is a prime.

It is a super-2 number, since 2×1403223312 = 39380713154547122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140322299 and 140322308.

It is not an unprimeable number, because it can be changed into a prime (140322731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174565 + ... + 175366.

It is an arithmetic number, because the mean of its divisors is an integer number (35168166).

Almost surely, 2140322331 is an apocalyptic number.

140322331 is a deficient number, since it is larger than the sum of its proper divisors (350333).

140322331 is an equidigital number, since it uses as much as digits as its factorization.

140322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350332.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140322331 is about 11845.7727059065. The cubic root of 140322331 is about 519.6476051771.

Adding to 140322331 its reverse (133223041), we get a palindrome (273545372).

The spelling of 140322331 in words is "one hundred forty million, three hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 401 349931 140322331