Search a number
-
+
31130332330 = 2523370136571
BaseRepresentation
bin11100111111100000…
…110010110010101010
32222100112012201211111
4130333200302302222
51002223331113310
622145011020534
72151303313246
oct347740626252
988315181744
1031130332330
1112225296489
12604959a74a
132c216060b6
141714601426
15c22ea228a
hex73f832caa

31130332330 has 32 divisors (see below), whose sum is σ = 58488283008. Its totient is φ = 11907192000.

The previous prime is 31130332319. The next prime is 31130332351. The reversal of 31130332330 is 3323303113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832945 + ... + 869515.

It is an arithmetic number, because the mean of its divisors is an integer number (1827758844).

Almost surely, 231130332330 is an apocalyptic number.

31130332330 is a deficient number, since it is larger than the sum of its proper divisors (27357950678).

31130332330 is a wasteful number, since it uses less digits than its factorization.

31130332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 31130332330 its reverse (3323303113), we get a palindrome (34453635443).

The spelling of 31130332330 in words is "thirty-one billion, one hundred thirty million, three hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 3701 7402 18505 36571 37010 73142 85123 170246 182855 365710 425615 841133 851230 1682266 4205665 8411330 135349271 270698542 676746355 1353492710 3113033233 6226066466 15565166165 31130332330