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1031013032231 = 713102231108267
BaseRepresentation
bin11110000000011010010…
…10100110000100100111
310122120020001220200211102
433000031022212010213
5113343003314012411
62105350231230315
7134326315114430
oct17001512460447
93576201820742
101031013032231
11368282a84046
1214799821839b
13762bb4b18a0
1437c89232487
151bc44297d3b
hexf00d2a6127

1031013032231 has 16 divisors (see below), whose sum is σ = 1269064387584. Its totient is φ = 815666043744.

The previous prime is 1031013032177. The next prime is 1031013032251. The reversal of 1031013032231 is 1322303101301.

It is a cyclic number.

It is not a de Polignac number, because 1031013032231 - 218 = 1031012770087 is a prime.

It is a super-2 number, since 2×10310130322312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031013032251) 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 15 ways as a sum of consecutive naturals, for example, 376160 + ... + 1484426.

It is an arithmetic number, because the mean of its divisors is an integer number (79316524224).

Almost surely, 21031013032231 is an apocalyptic number.

1031013032231 is a deficient number, since it is larger than the sum of its proper divisors (238051355353).

1031013032231 is a wasteful number, since it uses less digits than its factorization.

1031013032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118510.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031013032231 its reverse (1322303101301), we get a palindrome (2353316133532).

The spelling of 1031013032231 in words is "one trillion, thirty-one billion, thirteen million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 7 13 91 10223 71561 132899 930293 1108267 7757869 14407471 100852297 11329813541 79308694787 147287576033 1031013032231