Search a number
-
+
31033132132 = 2249991551967
BaseRepresentation
bin11100111001101110…
…000000010001100100
32222002202022110020011
4130321232000101210
51002023440212012
622131215420004
72146013161612
oct347156002144
988082273204
1031033132132
1112185437542
126020b24604
132c07432aa2
14170573c6b2
15c196a21a7
hex739b80464

31033132132 has 12 divisors (see below), whose sum is σ = 54318880000. Its totient is φ = 15513452136.

The previous prime is 31033132111. The next prime is 31033132133. The reversal of 31033132132 is 23123133013.

It is not an unprimeable number, because it can be changed into a prime (31033132133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755988 + ... + 795979.

Almost surely, 231033132132 is an apocalyptic number.

It is an amenable number.

31033132132 is a deficient number, since it is larger than the sum of its proper divisors (23285747868).

31033132132 is a wasteful number, since it uses less digits than its factorization.

31033132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556970 (or 1556968 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31033132132 its reverse (23123133013), we get a palindrome (54156265145).

The spelling of 31033132132 in words is "thirty-one billion, thirty-three million, one hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 4999 9998 19996 1551967 3103934 6207868 7758283033 15516566066 31033132132