Search a number
-
+
103031311321213 = 119796561678839
BaseRepresentation
bin10111011011010011011000…
…101101100100100001111101
3111111210200211020100201122021
4113123103120231210201331
5102001031111144234323
61003043533032320141
730462523641220162
oct2733233055444175
9444720736321567
10103031311321213
112a913374246a20
12b6801a9843051
134564a7090ac42
141b62a56380069
15bda132d1705d
hex5db4d8b6487d

103031311321213 has 8 divisors (see below), whose sum is σ = 113556534315840. Its totient is φ = 92699211684480.

The previous prime is 103031311321181. The next prime is 103031311321223. The reversal of 103031311321213 is 312123113130301.

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

It is a cyclic number.

It is not a de Polignac number, because 103031311321213 - 25 = 103031311321181 is a prime.

It is a super-2 number, since 2×1030313113212132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031311321223) 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, 48280838353 + ... + 48280840486.

It is an arithmetic number, because the mean of its divisors is an integer number (14194566789480).

Almost surely, 2103031311321213 is an apocalyptic number.

It is an amenable number.

103031311321213 is a deficient number, since it is larger than the sum of its proper divisors (10525222994627).

103031311321213 is an equidigital number, since it uses as much as digits as its factorization.

103031311321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96561678947.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 103031311321213 its reverse (312123113130301), we get a palindrome (415154424451514).

The spelling of 103031311321213 in words is "one hundred three trillion, thirty-one billion, three hundred eleven million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 11 97 1067 96561678839 1062178467229 9366482847383 103031311321213