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103031213010 = 23511312215797
BaseRepresentation
bin101111111110100100…
…0111000101111010010
3100211221102101220210020
41133331020320233102
53142001442304020
6115155404244310
710305131601135
oct1377510705722
9324842356706
10103031213010
113a771485320
1217b74b40696
13993c8020cb
144db587021c
152a303e6c40
hex17fd238bd2

103031213010 has 32 divisors (see below), whose sum is σ = 269754449472. Its totient is φ = 24977263680.

The previous prime is 103031213009. The next prime is 103031213093. The reversal of 103031213010 is 10312130301.

103031213010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156107569 + ... + 156108228.

It is an arithmetic number, because the mean of its divisors is an integer number (8429826546).

Almost surely, 2103031213010 is an apocalyptic number.

103031213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031213010 is an abundant number, since it is smaller than the sum of its proper divisors (166723236462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031213010 is a wasteful number, since it uses less digits than its factorization.

103031213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312215818.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103031213010 its reverse (10312130301), we get a palindrome (113343343311).

The spelling of 103031213010 in words is "one hundred three billion, thirty-one million, two hundred thirteen thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 312215797 624431594 936647391 1561078985 1873294782 3122157970 3434373767 4683236955 6868747534 9366473910 10303121301 17171868835 20606242602 34343737670 51515606505 103031213010