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3131102132 = 221151680083
BaseRepresentation
bin1011101010100000…
…1101001110110100
322002012201110122122
42322220031032310
522403030232012
61234410215112
7140406633434
oct27250151664
98065643578
103131102132
111367475414
12734724498
133ab8c7872
14219bb22c4
15134d3de72
hexbaa0d3b4

3131102132 has 12 divisors (see below), whose sum is σ = 5484197376. Its totient is φ = 1564188600.

The previous prime is 3131102129. The next prime is 3131102179. The reversal of 3131102132 is 2312011313.

3131102132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31311021322 = 19607601122029890848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3131102132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335438 + ... + 344645.

It is an arithmetic number, because the mean of its divisors is an integer number (457016448).

Almost surely, 23131102132 is an apocalyptic number.

It is an amenable number.

3131102132 is a deficient number, since it is larger than the sum of its proper divisors (2353095244).

3131102132 is a wasteful number, since it uses less digits than its factorization.

3131102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681238 (or 681236 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3131102132 is about 55956.2519473919. The cubic root of 3131102132 is about 1462.9598632961.

Adding to 3131102132 its reverse (2312011313), we get a palindrome (5443113445).

The spelling of 3131102132 in words is "three billion, one hundred thirty-one million, one hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 1151 2302 4604 680083 1360166 2720332 782775533 1565551066 3131102132