Search a number
-
+
31400411432042 = 2235841111686457
BaseRepresentation
bin1110010001110111110100…
…10111101000010001101010
311010011211221122212110121202
413020323322113220101222
513103431020311311132
6150441052212204202
76420414316223462
oct710737227502152
9133154848773552
1031400411432042
11a006926712324
12363173a309662
13146a07a35b023
147a7b06494ba2
15396be4109762
hex1c8efa5e846a

31400411432042 has 16 divisors (see below), whose sum is σ = 49149315698112. Its totient is φ = 15017329689120.

The previous prime is 31400411432011. The next prime is 31400411432077. The reversal of 31400411432042 is 24023411400413.

It is a junction number, because it is equal to n+sod(n) for n = 31400411431996 and 31400411432014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3156323 + ... + 8530134.

It is an arithmetic number, because the mean of its divisors is an integer number (3071832231132).

Almost surely, 231400411432042 is an apocalyptic number.

31400411432042 is a deficient number, since it is larger than the sum of its proper divisors (17748904266070).

31400411432042 is a wasteful number, since it uses less digits than its factorization.

31400411432042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744893.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31400411432042 its reverse (24023411400413), we get a palindrome (55423822832455).

The spelling of 31400411432042 in words is "thirty-one trillion, four hundred billion, four hundred eleven million, four hundred thirty-two thousand, forty-two".

Divisors: 1 2 23 46 58411 116822 1343453 2686906 11686457 23372914 268788511 537577022 682617639827 1365235279654 15700205716021 31400411432042