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31411431043 = 67882153149
BaseRepresentation
bin11101010000010001…
…000110011010000011
310000002010011000202221
4131100101012122003
51003312311243133
622232531551511
72161255521106
oct352021063203
9100063130687
1031411431043
1112359a30073
12610775b597
132c679168b5
14173da9473d
15c3c9caa2d
hex750446683

31411431043 has 8 divisors (see below), whose sum is σ = 31884472400. Its totient is φ = 30938513760.

The previous prime is 31411431041. The next prime is 31411431059. The reversal of 31411431043 is 34013411413.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31411431043 - 21 = 31411431041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31411430999 and 31411431017.

It is not an unprimeable number, because it can be changed into a prime (31411431041) 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, 564433 + ... + 617581.

It is an arithmetic number, because the mean of its divisors is an integer number (3985559050).

Almost surely, 231411431043 is an apocalyptic number.

31411431043 is a deficient number, since it is larger than the sum of its proper divisors (473041357).

31411431043 is an equidigital number, since it uses as much as digits as its factorization.

31411431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62037.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31411431043 its reverse (34013411413), we get a palindrome (65424842456).

The spelling of 31411431043 in words is "thirty-one billion, four hundred eleven million, four hundred thirty-one thousand, forty-three".

Divisors: 1 67 8821 53149 591007 3560983 468827329 31411431043