Search a number
-
+
31103000332 = 2261933125551
BaseRepresentation
bin11100111101111000…
…100001111100001100
32222021121210010101021
4130331320201330030
51002144332002312
622142153123524
72150522066155
oct347570417414
988247703337
1031103000332
1112210918558
1260403b95a4
132c18a56611
141710b2892c
15c208a3c07
hex73de21f0c

31103000332 has 12 divisors (see below), whose sum is σ = 54431562976. Its totient is φ = 15551125200.

The previous prime is 31103000309. The next prime is 31103000351. The reversal of 31103000332 is 23300030113.

It is a super-2 number, since 2×311030003322 (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 184957 + ... + 310507.

Almost surely, 231103000332 is an apocalyptic number.

It is an amenable number.

31103000332 is a deficient number, since it is larger than the sum of its proper divisors (23328562644).

31103000332 is a wasteful number, since it uses less digits than its factorization.

31103000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187488 (or 187486 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31103000332 its reverse (23300030113), we get a palindrome (54403030445).

The spelling of 31103000332 in words is "thirty-one billion, one hundred three million, three hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 61933 123866 125551 247732 251102 502204 7775750083 15551500166 31103000332