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1031102043100 = 225210311020431
BaseRepresentation
bin11110000000100100111…
…10001001001111011100
310122120110021101220210021
433000102132021033130
5113343144110334400
62105403131121524
7134331445520353
oct17002236111734
93576407356707
101031102043100
1136831924a248
12147a01ba32a4
1376303a7853c
1437c96da299a
151bc4becb71a
hexf0127893dc

1031102043100 has 18 divisors (see below), whose sum is σ = 2237491433744. Its totient is φ = 412440817200.

The previous prime is 1031102043071. The next prime is 1031102043131. The reversal of 1031102043100 is 13402011301.

It is a super-2 number, since 2×10311020431002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5155510116 + ... + 5155510315.

Almost surely, 21031102043100 is an apocalyptic number.

1031102043100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031102043100 is an abundant number, since it is smaller than the sum of its proper divisors (1206389390644).

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

1031102043100 is a wasteful number, since it uses less digits than its factorization.

1031102043100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10311020445 (or 10311020438 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031102043100 its reverse (13402011301), we get a palindrome (1044504054401).

The spelling of 1031102043100 in words is "one trillion, thirty-one billion, one hundred two million, forty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10311020431 20622040862 41244081724 51555102155 103110204310 206220408620 257775510775 515551021550 1031102043100