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153131011 = 1113921001
BaseRepresentation
bin10010010000010…
…01100000000011
3101200010212020221
421020021200003
5303200143021
623110043511
73536410045
oct1110114003
9350125227
10153131011
1179490660
1243349597
1325957087
14164a1a95
15d69c241
hex9209803

153131011 has 4 divisors (see below), whose sum is σ = 167052024. Its totient is φ = 139210000.

The previous prime is 153130969. The next prime is 153131039. The reversal of 153131011 is 110131351.

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 153131011 - 219 = 152606723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153131081) 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, 6960490 + ... + 6960511.

It is an arithmetic number, because the mean of its divisors is an integer number (41763006).

Almost surely, 2153131011 is an apocalyptic number.

153131011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

153131011 is a deficient number, since it is larger than the sum of its proper divisors (13921013).

153131011 is a wasteful number, since it uses less digits than its factorization.

153131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13921012.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 153131011 is about 12374.6115494588. The cubic root of 153131011 is about 535.0007406750. Note that the first 3 decimals are identical.

Adding to 153131011 its reverse (110131351), we get a palindrome (263262362).

The spelling of 153131011 in words is "one hundred fifty-three million, one hundred thirty-one thousand, eleven".

Divisors: 1 11 13921001 153131011