Search a number
-
+
31234241440434 = 236178437126267
BaseRepresentation
bin1110001101000010010011…
…10111011010101010110010
311002120222000222201021022010
413012201021313122222302
513043220211302043214
6150232451252423350
76402412422466524
oct706411167325262
9132528028637263
1031234241440434
119a5240502214a
1236054a4317b56
1314574b7a470c6
1479da61361a14
1539271ab56659
hex1c6849ddaab2

31234241440434 has 16 divisors (see below), whose sum is σ = 62569728403488. Its totient is φ = 10394539559712.

The previous prime is 31234241440411. The next prime is 31234241440447. The reversal of 31234241440434 is 43404414243213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31234241440392 and 31234241440401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4218559432 + ... + 4218566835.

It is an arithmetic number, because the mean of its divisors is an integer number (3910608025218).

Almost surely, 231234241440434 is an apocalyptic number.

31234241440434 is an abundant number, since it is smaller than the sum of its proper divisors (31335486963054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31234241440434 is a wasteful number, since it uses less digits than its factorization.

31234241440434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437126889.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 31234241440434 its reverse (43404414243213), we get a palindrome (74638655683647).

The spelling of 31234241440434 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred forty-one million, four hundred forty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 617 1234 1851 3702 8437126267 16874252534 25311378801 50622757602 5205706906739 10411413813478 15617120720217 31234241440434