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131003000000 = 2656269487
BaseRepresentation
bin111101000000001100…
…0110010010011000000
3110112010211020220221222
41322000120302103000
54121243232000000
6140103144534212
712315243061415
oct1720030622300
9415124226858
10131003000000
1150615861954
1221480781368
13c479922362
1464aa79810c
15361ae38a85
hex1e806324c0

131003000000 has 196 divisors, whose sum is σ = 326822379120. Its totient is φ = 52099200000.

The previous prime is 131002999997. The next prime is 131003000039. The reversal of 131003000000 is 300131.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 268999757 + ... + 269000243.

Almost surely, 2131003000000 is an apocalyptic number.

131003000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131003000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163411189560).

131003000000 is an abundant number, since it is smaller than the sum of its proper divisors (195819379120).

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

131003000000 is an frugal number, since it uses more digits than its factorization.

131003000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

Adding to 131003000000 its reverse (300131), we get a palindrome (131003300131).

The spelling of 131003000000 in words is "one hundred thirty-one billion, three million", and thus it is an aban number.