Search a number
-
+
31023003032002 = 2731991067770463
BaseRepresentation
bin1110000110111000110110…
…00100110101100111000010
311001211202210102101021200101
413003130123010311213002
513031240102234011002
6145551434300313014
76351223635603412
oct703343304654702
9131752712337611
1031023003032002
1199808664973a3
123590570b4276a
1314405c22b9017
14793742870642
1538bea5c4d587
hex1c371b1359c2

31023003032002 has 16 divisors (see below), whose sum is σ = 47409008601600. Its totient is φ = 15222135706272.

The previous prime is 31023003031991. The next prime is 31023003032011. The reversal of 31023003032002 is 20023030032013.

It is a happy number.

It is a super-2 number, since 2×310230030320022 (a number of 28 digits) contains 22 as substring.

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, 533856178 + ... + 533914285.

It is an arithmetic number, because the mean of its divisors is an integer number (2963063037600).

Almost surely, 231023003032002 is an apocalyptic number.

31023003032002 is a deficient number, since it is larger than the sum of its proper divisors (16386005569598).

31023003032002 is a wasteful number, since it uses less digits than its factorization.

31023003032002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067770737.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31023003032002 its reverse (20023030032013), we get a palindrome (51046033064015).

The spelling of 31023003032002 in words is "thirty-one trillion, twenty-three billion, three million, thirty-two thousand, two".

Divisors: 1 2 73 146 199 398 14527 29054 1067770463 2135540926 77947243799 155894487598 212486322137 424972644274 15511501516001 31023003032002