Search a number
-
+
31102223113023 = 367158397749481
BaseRepresentation
bin1110001001001100011001…
…11101011101101100111111
311002010100021101221100222020
413010212030331131230333
513034034323104104043
6150052055233451223
76360030040305636
oct704461475355477
9132110241840866
1031102223113023
119a01419128837
1235a399b710b13
131447c0897c1ca
147974d9bca51d
1538e090a0ee83
hex1c498cf5db3f

31102223113023 has 16 divisors (see below), whose sum is σ = 42115168820736. Its totient is φ = 20412437411520.

The previous prime is 31102223112979. The next prime is 31102223113061. The reversal of 31102223113023 is 32031132220113.

It is not a de Polignac number, because 31102223113023 - 29 = 31102223112511 is a prime.

It is a super-2 number, since 2×311022231130232 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31102223112984 and 31102223113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102223111023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48556558 + ... + 49192923.

It is an arithmetic number, because the mean of its divisors is an integer number (2632198051296).

Almost surely, 231102223113023 is an apocalyptic number.

31102223113023 is a deficient number, since it is larger than the sum of its proper divisors (11012945707713).

31102223113023 is a wasteful number, since it uses less digits than its factorization.

31102223113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97751134.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31102223113023 its reverse (32031132220113), we get a palindrome (63133355333136).

The spelling of 31102223113023 in words is "thirty-one trillion, one hundred two billion, two hundred twenty-three million, one hundred thirteen thousand, twenty-three".

Divisors: 1 3 67 201 1583 4749 106061 318183 97749481 293248443 6549215227 19647645681 154737428423 464212285269 10367407704341 31102223113023