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1030102311021 = 371492511311599
BaseRepresentation
bin11101111110101101110…
…00011110000001101101
310122110212121020021012020
432333112320132001231
5113334122142423041
62105120015300353
7134264616113520
oct16772670360155
93573777207166
101030102311021
11367955999793
1214778321a6b9
13761a49032b4
1437c002c4bb7
151bbde34e866
hexefd6e1e06d

1030102311021 has 32 divisors (see below), whose sum is σ = 1586511360000. Its totient is φ = 582349512000.

The previous prime is 1030102310989. The next prime is 1030102311031. The reversal of 1030102311021 is 1201132010301.

It is a happy number.

It is not a de Polignac number, because 1030102311021 - 25 = 1030102310989 is a prime.

It is a super-2 number, since 2×10301023110212 (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 (1030102311031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129580 + ... + 1441178.

It is an arithmetic number, because the mean of its divisors is an integer number (49578480000).

Almost surely, 21030102311021 is an apocalyptic number.

It is an amenable number.

1030102311021 is a deficient number, since it is larger than the sum of its proper divisors (556409048979).

1030102311021 is a wasteful number, since it uses less digits than its factorization.

1030102311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312009.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1030102311021 its reverse (1201132010301), we get a palindrome (2231234321322).

The spelling of 1030102311021 in words is "one trillion, thirty billion, one hundred two million, three hundred eleven thousand, twenty-one".

Divisors: 1 3 7 21 149 251 447 753 1043 1757 3129 5271 37399 112197 261793 785379 1311599 3934797 9181193 27543579 195428251 329211349 586284753 987634047 1367997757 2304479443 4103993271 6913438329 49052491001 147157473003 343367437007 1030102311021