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31034412023 = 127244365449
BaseRepresentation
bin11100111001110010…
…111000101111110111
32222002211201110220112
4130321302320233313
51002024302141043
622131303053235
72146030102226
oct347162705767
988084643815
1031034412023
11121861310aa
12602144121b
132c07790514
141705992cbd
15c19856518
hex739cb8bf7

31034412023 has 4 divisors (see below), whose sum is σ = 31278777600. Its totient is φ = 30790046448.

The previous prime is 31034412007. The next prime is 31034412053. The reversal of 31034412023 is 32021443013.

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 31034412023 - 24 = 31034412007 is a prime.

It is a super-2 number, since 2×310344120232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31034412023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034412053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122182598 + ... + 122182851.

It is an arithmetic number, because the mean of its divisors is an integer number (7819694400).

Almost surely, 231034412023 is an apocalyptic number.

31034412023 is a deficient number, since it is larger than the sum of its proper divisors (244365577).

31034412023 is a wasteful number, since it uses less digits than its factorization.

31034412023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244365576.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31034412023 its reverse (32021443013), we get a palindrome (63055855036).

The spelling of 31034412023 in words is "thirty-one billion, thirty-four million, four hundred twelve thousand, twenty-three".

Divisors: 1 127 244365449 31034412023