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1031201323031 = 11432180129647
BaseRepresentation
bin11110000000110000110…
…00110111100000010111
310122120201012012212020202
433000120120313200113
5113343400014314111
62105421035051115
7134334062423255
oct17003030674027
93576635185222
101031201323031
1136836a299780
12147a2b2a0a9b
137631b4c9369
1437ca62475d5
151bc55a8cb3b
hexf018637817

1031201323031 has 8 divisors (see below), whose sum is σ = 1151108454144. Its totient is φ = 915654451320.

The previous prime is 1031201323003. The next prime is 1031201323037. The reversal of 1031201323031 is 1303231021301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031201323031 - 210 = 1031201322007 is a prime.

It is a super-2 number, since 2×10312013230312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031201322994 and 1031201323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201323037) 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, 1090064351 + ... + 1090065296.

It is an arithmetic number, because the mean of its divisors is an integer number (143888556768).

Almost surely, 21031201323031 is an apocalyptic number.

1031201323031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1031201323031 is a deficient number, since it is larger than the sum of its proper divisors (119907131113).

1031201323031 is a wasteful number, since it uses less digits than its factorization.

1031201323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180129701.

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

Adding to 1031201323031 its reverse (1303231021301), we get a palindrome (2334432344332).

The spelling of 1031201323031 in words is "one trillion, thirty-one billion, two hundred one million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 11 43 473 2180129647 23981426117 93745574821 1031201323031