Search a number
-
+
1002203210131 = 4492232078419
BaseRepresentation
bin11101001010101111111…
…01110110000110010011
310112210212021011002121021
432211113331312012103
5112410003010211011
62044223352540311
7132256346505124
oct16452775660623
93483767132537
101002203210131
11357039648312
121422979b1697
1373679882386
1436714cbc04b
151b109db9471
hexe957f76193

1002203210131 has 4 divisors (see below), whose sum is σ = 1004435289000. Its totient is φ = 999971131264.

The previous prime is 1002203210101. The next prime is 1002203210137. The reversal of 1002203210131 is 1310123022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002203210131 - 27 = 1002203210003 is a prime.

It is a super-2 number, since 2×10022032101312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002203210137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116038761 + ... + 1116039658.

It is an arithmetic number, because the mean of its divisors is an integer number (251108822250).

Almost surely, 21002203210131 is an apocalyptic number.

1002203210131 is a deficient number, since it is larger than the sum of its proper divisors (2232078869).

1002203210131 is an equidigital number, since it uses as much as digits as its factorization.

1002203210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232078868.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1002203210131 its reverse (1310123022001), we get a palindrome (2312326232132).

The spelling of 1002203210131 in words is "one trillion, two billion, two hundred three million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 449 2232078419 1002203210131