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11032002031 = 89123955079
BaseRepresentation
bin10100100011000111…
…01111110111101111
31001110211122202202211
422101203233313233
5140043143031111
65022410031251
7540245320141
oct122143576757
931424582684
1011032002031
114751306456
12217a718527
13106a75096b
14769240c91
154487b1521
hex2918efdef

11032002031 has 4 divisors (see below), whose sum is σ = 11155957200. Its totient is φ = 10908046864.

The previous prime is 11032001987. The next prime is 11032002071. The reversal of 11032002031 is 13020023011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11032002031 - 211 = 11031999983 is a prime.

It is a super-2 number, since 2×110320020312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032002071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61977451 + ... + 61977628.

It is an arithmetic number, because the mean of its divisors is an integer number (2788989300).

Almost surely, 211032002031 is an apocalyptic number.

11032002031 is a deficient number, since it is larger than the sum of its proper divisors (123955169).

11032002031 is an equidigital number, since it uses as much as digits as its factorization.

11032002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123955168.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11032002031 its reverse (13020023011), we get a palindrome (24052025042).

The spelling of 11032002031 in words is "eleven billion, thirty-two million, two thousand, thirty-one".

Divisors: 1 89 123955079 11032002031