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1031022201001 = 13227334891949
BaseRepresentation
bin11110000000011011011…
…01100100100010101001
310122120020201011112000111
433000031231210202221
5113343013140413001
62105351155534321
7134326456052512
oct17001555444251
93576221145014
101031022201001
11368288176741
1214799b2ba3a1
13762c0371cb0
1437c8a53ba09
151bc44ea9851
hexf00db648a9

1031022201001 has 8 divisors (see below), whose sum is σ = 1110820120200. Its totient is φ = 951294070272.

The previous prime is 1031022200983. The next prime is 1031022201043. The reversal of 1031022201001 is 1001022201301.

It can be written as a sum of positive squares in 4 ways, for example, as 91431245376 + 939590955625 = 302376^2 + 969325^2 .

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

It is not a de Polignac number, because 1031022201001 - 29 = 1031022200489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031022201061) 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, 17416426 + ... + 17475523.

It is an arithmetic number, because the mean of its divisors is an integer number (138852515025).

Almost surely, 21031022201001 is an apocalyptic number.

It is an amenable number.

1031022201001 is a deficient number, since it is larger than the sum of its proper divisors (79797919199).

1031022201001 is a wasteful number, since it uses less digits than its factorization.

1031022201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34894235.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1031022201001 its reverse (1001022201301), we get a palindrome (2032044402302).

The spelling of 1031022201001 in words is "one trillion, thirty-one billion, twenty-two million, two hundred one thousand, one".

Divisors: 1 13 2273 29549 34891949 453595337 79309400077 1031022201001