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42310123031 = 114462186201
BaseRepresentation
bin100111011001111000…
…010011111000010111
311001012122221221112202
4213121320103320113
51143122342414111
631234220435115
73025325053241
oct473170237027
9131178857482
1042310123031
1116a41a63730
1282496a8a9b
133cb3860277
142095313091
151179707b3b
hex9d9e13e17

42310123031 has 8 divisors (see below), whose sum is σ = 46158067728. Its totient is φ = 38462440000.

The previous prime is 42310122973. The next prime is 42310123033. The reversal of 42310123031 is 13032101324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42310123031 is a prime.

It is a super-2 number, since 2×423101230312 (a number of 22 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 = 42310122994 and 42310123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42310123033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447731 + ... + 533931.

It is an arithmetic number, because the mean of its divisors is an integer number (5769758466).

Almost surely, 242310123031 is an apocalyptic number.

42310123031 is a deficient number, since it is larger than the sum of its proper divisors (3847944697).

42310123031 is a wasteful number, since it uses less digits than its factorization.

42310123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130833.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 42310123031 its reverse (13032101324), we get a palindrome (55342224355).

The spelling of 42310123031 in words is "forty-two billion, three hundred ten million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 11 44621 86201 490831 948211 3846374821 42310123031