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1031012111202 = 231391236225553
BaseRepresentation
bin11110000000011010001…
…11000101001101100010
310122120020000011220102020
433000031013011031202
5113343003100024302
62105350155402310
7134326304230263
oct17001507051542
93576200156366
101031012111202
11368282505067
12147997a53396
13762bb24b5b8
1437c8907296a
151bc44164ebc
hexf00d1c5362

1031012111202 has 16 divisors (see below), whose sum is σ = 2076858930720. Its totient is φ = 341198252352.

The previous prime is 1031012111197. The next prime is 1031012111203. The reversal of 1031012111202 is 2021112101301.

It is not an unprimeable number, because it can be changed into a prime (1031012111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618111943 + ... + 618113610.

It is an arithmetic number, because the mean of its divisors is an integer number (129803683170).

Almost surely, 21031012111202 is an apocalyptic number.

1031012111202 is an abundant number, since it is smaller than the sum of its proper divisors (1045846819518).

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

1031012111202 is a wasteful number, since it uses less digits than its factorization.

1031012111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236225697.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1031012111202 its reverse (2021112101301), we get a palindrome (3052124212503).

Subtracting 1031012111202 from its reverse (2021112101301), we obtain a palindrome (990099990099).

The spelling of 1031012111202 in words is "one trillion, thirty-one billion, twelve million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 139 278 417 834 1236225553 2472451106 3708676659 7417353318 171835351867 343670703734 515506055601 1031012111202