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40316220231 = 3743127351551
BaseRepresentation
bin100101100011000010…
…001011001101000111
310212001201002012002220
4211203002023031013
51130031423021411
630304312303423
72625034134450
oct454302131507
9125051065086
1040316220231
1116109500a81
1279919a1b73
133a5673c221
141d465a4127
1510ae64bb06
hex96308b347

40316220231 has 32 divisors (see below), whose sum is σ = 63358107648. Its totient is φ = 22324831200.

The previous prime is 40316220211. The next prime is 40316220257. The reversal of 40316220231 is 13202261304.

It is not a de Polignac number, because 40316220231 - 25 = 40316220199 is a prime.

It is a super-2 number, since 2×403162202312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40316220211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61095 + ... + 290456.

It is an arithmetic number, because the mean of its divisors is an integer number (1979940864).

Almost surely, 240316220231 is an apocalyptic number.

40316220231 is a deficient number, since it is larger than the sum of its proper divisors (23041887417).

40316220231 is a wasteful number, since it uses less digits than its factorization.

40316220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351731.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40316220231 its reverse (13202261304), we get a palindrome (53518481535).

The spelling of 40316220231 in words is "forty billion, three hundred sixteen million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 7 21 43 127 129 301 381 889 903 2667 5461 16383 38227 114681 351551 1054653 2460857 7382571 15116693 44646977 45350079 105816851 133940931 312528839 317450553 937586517 1919820011 5759460033 13438740077 40316220231