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1330221223031 = 1951681815081
BaseRepresentation
bin10011010110110111010…
…111010000110001110111
311201011112101220122112212
4103112313113100301313
5133243243113114111
62455032321204035
7165051056556341
oct23266727206167
94634471818485
101330221223031
11473164224378
1219598049061b
139859326782c
144855113c291
152490719b98b
hex135b75d0c77

1330221223031 has 4 divisors (see below), whose sum is σ = 1330903040064. Its totient is φ = 1329539406000.

The previous prime is 1330221223003. The next prime is 1330221223033. The reversal of 1330221223031 is 1303221220331.

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 1330221223031 - 210 = 1330221222007 is a prime.

It is a super-2 number, since 2×13302212230312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330221222988 and 1330221223006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330221223033) 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, 340905590 + ... + 340909491.

It is an arithmetic number, because the mean of its divisors is an integer number (332725760016).

Almost surely, 21330221223031 is an apocalyptic number.

1330221223031 is a deficient number, since it is larger than the sum of its proper divisors (681817033).

1330221223031 is an equidigital number, since it uses as much as digits as its factorization.

1330221223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681817032.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1330221223031 its reverse (1303221220331), we get a palindrome (2633442443362).

The spelling of 1330221223031 in words is "one trillion, three hundred thirty billion, two hundred twenty-one million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 1951 681815081 1330221223031