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31010322012131 = 711402731454703
BaseRepresentation
bin1110000110100001001110…
…01110100101011111100011
311001210120001122210201200202
413003100213032211133203
513031033114413342011
6145541540102135415
76350264454656120
oct703204716453743
9131716048721622
1031010322012131
11997644937a490
12358a01212156b
13143c35102c277
14792c9c619747
1538b9b280923b
hex1c34273a57e3

31010322012131 has 8 divisors (see below), whose sum is σ = 38662219651584. Its totient is φ = 24163887282120.

The previous prime is 31010322012083. The next prime is 31010322012193. The reversal of 31010322012131 is 13121022301013.

It is a happy number.

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 31010322012131 - 234 = 30993142142947 is a prime.

It is a super-2 number, since 2×310103220121312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31010322092131) 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, 201365727275 + ... + 201365727428.

It is an arithmetic number, because the mean of its divisors is an integer number (4832777456448).

Almost surely, 231010322012131 is an apocalyptic number.

31010322012131 is a deficient number, since it is larger than the sum of its proper divisors (7651897639453).

31010322012131 is a wasteful number, since it uses less digits than its factorization.

31010322012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402731454721.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31010322012131 its reverse (13121022301013), we get a palindrome (44131344313144).

The spelling of 31010322012131 in words is "thirty-one trillion, ten billion, three hundred twenty-two million, twelve thousand, one hundred thirty-one".

Divisors: 1 7 11 77 402731454703 2819120182921 4430046001733 31010322012131