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1031020312030 = 25499206617297
BaseRepresentation
bin11110000000011011001…
…10010111010111011110
310122120020120121112211121
433000031212113113132
5113343012144441110
62105351051241154
7134326434024352
oct17001546272736
93576216545747
101031020312030
113682870a6505
1214799a7491ba
13762bcb60267
1437c8a1a9462
151bc44c34cda
hexf00d9975de

1031020312030 has 16 divisors (see below), whose sum is σ = 1859555682000. Its totient is φ = 411581653632.

The previous prime is 1031020312027. The next prime is 1031020312081. The reversal of 1031020312030 is 302130201301.

It is a junction number, because it is equal to n+sod(n) for n = 1031020311995 and 1031020312013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103303659 + ... + 103313638.

It is an arithmetic number, because the mean of its divisors is an integer number (116222230125).

Almost surely, 21031020312030 is an apocalyptic number.

1031020312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031020312030 is a deficient number, since it is larger than the sum of its proper divisors (828535369970).

1031020312030 is a wasteful number, since it uses less digits than its factorization.

1031020312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206617803.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031020312030 its reverse (302130201301), we get a palindrome (1333150513331).

The spelling of 1031020312030 in words is "one trillion, thirty-one billion, twenty million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 499 998 2495 4990 206617297 413234594 1033086485 2066172970 103102031203 206204062406 515510156015 1031020312030