Search a number
-
+
331213102 = 21171920939
BaseRepresentation
bin10011101111011…
…110100100101110
3212002020100221221
4103233132210232
51134242304402
652511013554
711131156603
oct2357364456
9762210857
10331213102
1115aa63340
1292b0a2ba
1353808cac
1431dba6aa
151e127337
hex13bde92e

331213102 has 16 divisors (see below), whose sum is σ = 542764800. Its totient is φ = 150334840.

The previous prime is 331213097. The next prime is 331213117. The reversal of 331213102 is 201312133.

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, 5349 + ... + 26287.

It is an arithmetic number, because the mean of its divisors is an integer number (33922800).

Almost surely, 2331213102 is an apocalyptic number.

331213102 is a deficient number, since it is larger than the sum of its proper divisors (211551698).

331213102 is a wasteful number, since it uses less digits than its factorization.

331213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21671.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 331213102 is about 18199.2610289539. The cubic root of 331213102 is about 691.8880600671. Note that the first 3 decimals are identical.

Adding to 331213102 its reverse (201312133), we get a palindrome (532525235).

The spelling of 331213102 in words is "three hundred thirty-one million, two hundred thirteen thousand, one hundred two".

Divisors: 1 2 11 22 719 1438 7909 15818 20939 41878 230329 460658 15055141 30110282 165606551 331213102