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1030122031 = 1971763619
BaseRepresentation
bin111101011001100…
…110101000101111
32122210100121202211
4331121212220233
54102202401111
6250115031251
734345615141
oct7531465057
92583317684
101030122031
11489527a24
12248b9b527
13135555883
149ab4cc91
1560681521
hex3d666a2f

1030122031 has 8 divisors (see below), whose sum is σ = 1099612800. Its totient is φ = 962158680.

The previous prime is 1030122017. The next prime is 1030122073. The reversal of 1030122031 is 1302210301.

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 1030122031 - 27 = 1030121903 is a prime.

It is a super-2 number, since 2×10301220312 = 2122302797503129922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030122131) 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, 380461 + ... + 383158.

It is an arithmetic number, because the mean of its divisors is an integer number (137451600).

Almost surely, 21030122031 is an apocalyptic number.

1030122031 is a deficient number, since it is larger than the sum of its proper divisors (69490769).

1030122031 is an equidigital number, since it uses as much as digits as its factorization.

1030122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763709.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1030122031 is about 32095.5141881229. The cubic root of 1030122031 is about 1009.9415157456.

Adding to 1030122031 its reverse (1302210301), we get a palindrome (2332332332).

The spelling of 1030122031 in words is "one billion, thirty million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 19 71 1349 763619 14508761 54216949 1030122031