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1203020031213 = 32711131726329867
BaseRepresentation
bin10001100000011001100…
…101001110010011101101
311021000012112102120222100
4101200121211032103231
5124202241111444323
62320354302205313
7152625646354530
oct21403145162355
94230175376870
101203020031213
1142421a499260
121751a0b83839
13895a1193920
1442325666a17
152145edd9943
hex1181994e4ed

1203020031213 has 192 divisors, whose sum is σ = 2479848763392. Its totient is φ = 540856535040.

The previous prime is 1203020031203. The next prime is 1203020031233. The reversal of 1203020031213 is 3121300203021.

1203020031213 is a `hidden beast` number, since 120 + 30 + 200 + 312 + 1 + 3 = 666.

It is not a de Polignac number, because 1203020031213 - 29 = 1203020030701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203020031203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 40264306 + ... + 40294172.

It is an arithmetic number, because the mean of its divisors is an integer number (12915878976).

Almost surely, 21203020031213 is an apocalyptic number.

1203020031213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1203020031213 is an abundant number, since it is smaller than the sum of its proper divisors (1276828732179).

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

1203020031213 is a wasteful number, since it uses less digits than its factorization.

1203020031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30184 (or 30181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1203020031213 its reverse (3121300203021), we get a palindrome (4324320234234).

The spelling of 1203020031213 in words is "one trillion, two hundred three billion, twenty million, thirty-one thousand, two hundred thirteen".