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1013231031330 = 23574824909673
BaseRepresentation
bin11101011111010010100…
…01101001010000100010
310120212022210221110100110
432233221101221100202
5113100044121000310
62053245533232150
7133126544443260
oct16575121512042
93525283843313
101013231031330
11360788558631
12144455032656
137471649b06b
143707d751430
151b553101d20
hexebe9469422

1013231031330 has 32 divisors (see below), whose sum is σ = 2779147972224. Its totient is φ = 231595664256.

The previous prime is 1013231031299. The next prime is 1013231031331. The reversal of 1013231031330 is 331301323101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1013231031297 and 1013231031306.

It is not an unprimeable number, because it can be changed into a prime (1013231031331) 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 15 ways as a sum of consecutive naturals, for example, 2412454627 + ... + 2412455046.

It is an arithmetic number, because the mean of its divisors is an integer number (86848374132).

Almost surely, 21013231031330 is an apocalyptic number.

1013231031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013231031330 is an abundant number, since it is smaller than the sum of its proper divisors (1765916940894).

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

1013231031330 is a wasteful number, since it uses less digits than its factorization.

1013231031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824909690.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1013231031330 its reverse (331301323101), we get a palindrome (1344532354431).

The spelling of 1013231031330 in words is "one trillion, thirteen billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4824909673 9649819346 14474729019 24124548365 28949458038 33774367711 48249096730 67548735422 72373645095 101323103133 144747290190 168871838555 202646206266 337743677110 506615515665 1013231031330