Search a number
-
+
1303021232031 = 3799995429323
BaseRepresentation
bin10010111101100010000…
…111100001111110011111
311121120022210022221102210
4102331202013201332133
5132322041413411111
62434333311051503
7163066036504131
oct22754207417637
94546283287383
101303021232031
11462676574572
1219064b210b93
1395b4a003abc
14470d091b051
1523d642b00a6
hex12f621e1f9f

1303021232031 has 8 divisors (see below), whose sum is σ = 1737383680000. Its totient is φ = 868669802712.

The previous prime is 1303021232021. The next prime is 1303021232057. The reversal of 1303021232031 is 1302321203031.

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

It is a de Polignac number, because none of the positive numbers 2k-1303021232031 is a prime.

It is a super-2 number, since 2×13030212320312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303021231989 and 1303021232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303021232021) 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, 2474665 + ... + 2954658.

It is an arithmetic number, because the mean of its divisors is an integer number (217172960000).

Almost surely, 21303021232031 is an apocalyptic number.

1303021232031 is a deficient number, since it is larger than the sum of its proper divisors (434362447969).

1303021232031 is an equidigital number, since it uses as much as digits as its factorization.

1303021232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509325.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303021232031 its reverse (1302321203031), we get a palindrome (2605342435062).

The spelling of 1303021232031 in words is "one trillion, three hundred three billion, twenty-one million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 3 79999 239997 5429323 16287969 434340410677 1303021232031