Search a number
-
+
3111431102 = 2131009118603
BaseRepresentation
bin1011100101110100…
…1010101110111110
322000211201002001222
42321131022232332
522333011243402
61232424433342
7140050504463
oct27135125676
98024632058
103111431102
11135735a26a
1272a018852
133a77cb0c0
1421733166a
151332557a2
hexb974abbe

3111431102 has 16 divisors (see below), whose sum is σ = 5031181680. Its totient is φ = 1434609792.

The previous prime is 3111431093. The next prime is 3111431111. The reversal of 3111431102 is 2011341113.

It is an interprime number because it is at equal distance from previous prime (3111431093) and next prime (3111431111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33068 + ... + 85535.

It is an arithmetic number, because the mean of its divisors is an integer number (314448855).

Almost surely, 23111431102 is an apocalyptic number.

3111431102 is a deficient number, since it is larger than the sum of its proper divisors (1919750578).

3111431102 is a wasteful number, since it uses less digits than its factorization.

3111431102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119627.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3111431102 is about 55780.2034955055. The cubic root of 3111431102 is about 1459.8897618023.

Adding to 3111431102 its reverse (2011341113), we get a palindrome (5122772215).

The spelling of 3111431102 in words is "three billion, one hundred eleven million, four hundred thirty-one thousand, one hundred two".

Divisors: 1 2 13 26 1009 2018 13117 26234 118603 237206 1541839 3083678 119670427 239340854 1555715551 3111431102