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123032200031 = 1319677434419
BaseRepresentation
bin111001010010101001…
…0100110001101011111
3102202120022210022222022
41302211102212031133
54003432220400111
6132304211010355
711613565305506
oct1624522461537
9382508708868
10123032200031
11481a5518964
121ba172999bb
13b7a9464080
145d51d3183d
1533012aa2db
hex1ca54a635f

123032200031 has 16 divisors (see below), whose sum is σ = 141551356800. Its totient is φ = 105985063008.

The previous prime is 123032199959. The next prime is 123032200043. The reversal of 123032200031 is 130002230321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123032200031 is a prime.

It is a super-2 number, since 2×1230322000312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123032199982 and 123032200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032200061) 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, 3700661 + ... + 3733758.

It is an arithmetic number, because the mean of its divisors is an integer number (8846959800).

Almost surely, 2123032200031 is an apocalyptic number.

123032200031 is a deficient number, since it is larger than the sum of its proper divisors (18519156769).

123032200031 is a wasteful number, since it uses less digits than its factorization.

123032200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434518.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123032200031 its reverse (130002230321), we get a palindrome (253034430352).

The spelling of 123032200031 in words is "one hundred twenty-three billion, thirty-two million, two hundred thousand, thirty-one".

Divisors: 1 13 19 67 247 871 1273 16549 7434419 96647447 141253961 498106073 1836301493 6475378949 9464015387 123032200031