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3100133031 = 32943828691
BaseRepresentation
bin1011100011001000…
…0100011010100111
322000001110002000220
42320302010122213
522322113224111
61231342335423
7136552460502
oct27062043247
98001402026
103100133031
111350a42916
1272628a573
133a5373758
14215a30139
15132272e06
hexb8c846a7

3100133031 has 16 divisors (see below), whose sum is σ = 4375493760. Its totient is φ = 1949078880.

The previous prime is 3100133011. The next prime is 3100133051. The reversal of 3100133031 is 1303310013.

It is an interprime number because it is at equal distance from previous prime (3100133011) and next prime (3100133051).

It is not a de Polignac number, because 3100133031 - 25 = 3100132999 is a prime.

It is a super-2 number, since 2×31001330312 = 19221649619794493922, 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 3100133031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100133011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410605 + ... + 418086.

It is an arithmetic number, because the mean of its divisors is an integer number (273468360).

Almost surely, 23100133031 is an apocalyptic number.

3100133031 is a deficient number, since it is larger than the sum of its proper divisors (1275360729).

3100133031 is a wasteful number, since it uses less digits than its factorization.

3100133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828766.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 3100133031 is about 55678.8382691306. The cubic root of 3100133031 is about 1458.1205927828.

Adding to 3100133031 its reverse (1303310013), we get a palindrome (4403443044).

The spelling of 3100133031 in words is "three billion, one hundred million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 3 29 43 87 129 1247 3741 828691 2486073 24032039 35633713 72096117 106901139 1033377677 3100133031