Search a number
-
+
31435023446 = 219018268023
BaseRepresentation
bin11101010001101011…
…000110010001010110
310000010202112122110122
4131101223012101112
51003334331222241
622235133351542
72161663201451
oct352153062126
9100122478418
1031435023446
1112371284422
1261136385b2
132c6c7871b8
141742c76498
15c3eadb04b
hex751ac6456

31435023446 has 8 divisors (see below), whose sum is σ = 47177344944. Its totient is φ = 15709241800.

The previous prime is 31435023421. The next prime is 31435023457. The reversal of 31435023446 is 64432053413.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130210 + ... + 4137813.

It is an arithmetic number, because the mean of its divisors is an integer number (5897168118).

Almost surely, 231435023446 is an apocalyptic number.

31435023446 is a deficient number, since it is larger than the sum of its proper divisors (15742321498).

31435023446 is a wasteful number, since it uses less digits than its factorization.

31435023446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269926.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 31435023446 its reverse (64432053413), we get a palindrome (95867076859).

The spelling of 31435023446 in words is "thirty-one billion, four hundred thirty-five million, twenty-three thousand, four hundred forty-six".

Divisors: 1 2 1901 3802 8268023 16536046 15717511723 31435023446