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1031002311212 = 222365581170881
BaseRepresentation
bin11110000000011001000…
…01101100101000101100
310122120012022202000100122
433000030201230220230
5113342443042424322
62105345205344112
7134326125023006
oct17001441545054
93576168660318
101031002311212
11368277a211a5
12147994708038
13762b91c9aa3
1437c87a41376
151bc4337b442
hexf00c86ca2c

1031002311212 has 24 divisors (see below), whose sum is σ = 1882739598432. Its totient is φ = 493077657600.

The previous prime is 1031002311161. The next prime is 1031002311217. The reversal of 1031002311212 is 2121132001301.

It is not an unprimeable number, because it can be changed into a prime (1031002311217) 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, 5948012 + ... + 6118892.

It is an arithmetic number, because the mean of its divisors is an integer number (78447483268).

Almost surely, 21031002311212 is an apocalyptic number.

It is an amenable number.

1031002311212 is a deficient number, since it is larger than the sum of its proper divisors (851737287220).

1031002311212 is a wasteful number, since it uses less digits than its factorization.

1031002311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236489 (or 236487 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1031002311212 its reverse (2121132001301), we get a palindrome (3152134312513).

The spelling of 1031002311212 in words is "one trillion, thirty-one billion, two million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 65581 131162 170881 262324 341762 683524 1508363 3016726 3930263 6033452 7860526 15721052 11206546861 22413093722 44826187444 257750577803 515501155606 1031002311212