Search a number
-
+
31244031201442 = 223476656163443
BaseRepresentation
bin1110001101010100100010…
…11000011001000010100010
311002121220022020212122202011
413012222101120121002202
513043400233441421232
6150241150525143134
76403210135211023
oct706522130310242
9132556266778664
1031244031201442
119a565790a0524
1236073769baaaa
1314583b80039b7
147a030d5d8c4a
15392ae0336547
hex1c6a916190a2

31244031201442 has 8 divisors (see below), whose sum is σ = 46886015299536. Its totient is φ = 15615359434932.

The previous prime is 31244031201431. The next prime is 31244031201451. The reversal of 31244031201442 is 24410213044213.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328077028 + ... + 3328086415.

It is an arithmetic number, because the mean of its divisors is an integer number (5860751912442).

Almost surely, 231244031201442 is an apocalyptic number.

31244031201442 is a deficient number, since it is larger than the sum of its proper divisors (15641984098094).

31244031201442 is a wasteful number, since it uses less digits than its factorization.

31244031201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656165792.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31244031201442 its reverse (24410213044213), we get a palindrome (55654244245655).

The spelling of 31244031201442 in words is "thirty-one trillion, two hundred forty-four billion, thirty-one million, two hundred one thousand, four hundred forty-two".

Divisors: 1 2 2347 4694 6656163443 13312326886 15622015600721 31244031201442