Search a number
-
+
3111431002 = 231197269947
BaseRepresentation
bin1011100101110100…
…1010101101011010
322000211201001221021
42321131022231122
522333011243002
61232424433054
7140050504261
oct27135125532
98024631837
103111431002
11135735a189
1272a01878a
133a77cb044
142173315d8
15133255737
hexb974ab5a

3111431002 has 32 divisors (see below), whose sum is σ = 4865287680. Its totient is φ = 1490744640.

The previous prime is 3111430999. The next prime is 3111431017. The reversal of 3111431002 is 2001341113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285093 + ... + 3286039.

It is an arithmetic number, because the mean of its divisors is an integer number (152040240).

Almost surely, 23111431002 is an apocalyptic number.

3111431002 is a deficient number, since it is larger than the sum of its proper divisors (1753856678).

3111431002 is a wasteful number, since it uses less digits than its factorization.

3111431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

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

The square root of 3111431002 is about 55780.2025991301. The cubic root of 3111431002 is about 1459.8897461623.

Adding to 3111431002 its reverse (2001341113), we get a palindrome (5112772115).

The spelling of 3111431002 in words is "three billion, one hundred eleven million, four hundred thirty-one thousand, two".

Divisors: 1 2 31 62 197 269 394 538 947 1894 6107 8339 12214 16678 29357 52993 58714 105986 186559 254743 373118 509486 1642783 3285566 5783329 7897033 11566658 15794066 50184371 100368742 1555715501 3111431002