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1030031202221 = 7198897398427
BaseRepresentation
bin11101111110100101010…
…01001101011110101101
310122110200122102120020222
432333102221031132231
5113334000441432341
62105104555221125
7134263063521320
oct16772251153655
93573618376228
101030031202221
1136791984068a
121477634477a5
1376192c66b98
1437bd4a947b7
151bbd7ea544b
hexefd2a4d7ad

1030031202221 has 8 divisors (see below), whose sum is σ = 1177237863360. Its totient is φ = 882839377728.

The previous prime is 1030031202197. The next prime is 1030031202307. The reversal of 1030031202221 is 1222021300301.

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

It is not a de Polignac number, because 1030031202221 - 222 = 1030027007917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030031202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030031702221) 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, 3559991 + ... + 3838436.

It is an arithmetic number, because the mean of its divisors is an integer number (147154732920).

Almost surely, 21030031202221 is an apocalyptic number.

It is an amenable number.

1030031202221 is a deficient number, since it is larger than the sum of its proper divisors (147206661139).

1030031202221 is an equidigital number, since it uses as much as digits as its factorization.

1030031202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418323.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1030031202221 its reverse (1222021300301), we get a palindrome (2252052502522).

The spelling of 1030031202221 in words is "one trillion, thirty billion, thirty-one million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 7 19889 139223 7398427 51788989 147147314603 1030031202221