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23113434312031 = 73301919187433
BaseRepresentation
bin1010100000101100001000…
…00010101010110101011111
310000211121210222101212220211
411100112010002222311133
511012142303140441111
6121054055400353251
74603614310021660
oct520260402526537
9100747728355824
1023113434312031
117401397115328
122713656475827
13cb878398b21b
1459c9a64b7367
152a1377e56521
hex1505840aad5f

23113434312031 has 4 divisors (see below), whose sum is σ = 26415353499472. Its totient is φ = 19811515124592.

The previous prime is 23113434312029. The next prime is 23113434312049. The reversal of 23113434312031 is 13021343431132.

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 23113434312031 - 21 = 23113434312029 is a prime.

It is a super-2 number, since 2×231134343120312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23113434311984 and 23113434312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113234312031) 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, 1650959593710 + ... + 1650959593723.

It is an arithmetic number, because the mean of its divisors is an integer number (6603838374868).

Almost surely, 223113434312031 is an apocalyptic number.

23113434312031 is a deficient number, since it is larger than the sum of its proper divisors (3301919187441).

23113434312031 is an equidigital number, since it uses as much as digits as its factorization.

23113434312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301919187440.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 23113434312031 its reverse (13021343431132), we get a palindrome (36134777743163).

The spelling of 23113434312031 in words is "twenty-three trillion, one hundred thirteen billion, four hundred thirty-four million, three hundred twelve thousand, thirty-one".

Divisors: 1 7 3301919187433 23113434312031