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1021313033031 = 3536423352409
BaseRepresentation
bin11101101110010110000…
…00000010001101000111
310121122012001122200102210
432313023000002031013
5113213122114024111
62101103522434503
7133534042354404
oct16671300021507
93548161580383
101021313033031
11364155644085
12145b2b802a33
13754039c26a5
1437608c832ab
151b8778e90a6
hexedcb002347

1021313033031 has 8 divisors (see below), whose sum is σ = 1387444120560. Its totient is φ = 668028650432.

The previous prime is 1021313033021. The next prime is 1021313033033. The reversal of 1021313033031 is 1303303131201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021313033031 - 26 = 1021313032967 is a prime.

It is a super-4 number, since 4×10213130330314 (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1021313032989 and 1021313033007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021313033033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211676046 + ... + 3211676363.

It is an arithmetic number, because the mean of its divisors is an integer number (173430515070).

Almost surely, 21021313033031 is an apocalyptic number.

1021313033031 is a deficient number, since it is larger than the sum of its proper divisors (366131087529).

1021313033031 is an equidigital number, since it uses as much as digits as its factorization.

1021313033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423352465.

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

Adding to 1021313033031 its reverse (1303303131201), we get a palindrome (2324616164232).

The spelling of 1021313033031 in words is "one trillion, twenty-one billion, three hundred thirteen million, thirty-three thousand, thirty-one".

Divisors: 1 3 53 159 6423352409 19270057227 340437677677 1021313033031