Search a number
-
+
31344211304 = 2375411034599
BaseRepresentation
bin11101001100010000…
…101011010101101000
32222220102122220121222
4131030100223111220
51003143104230204
622222131121212
72156511254150
oct351420532550
988812586558
1031344211304
1112324a9896a
1260a9143208
132c56a0c6c3
141734b97760
15c36b4dabe
hex74c42b568

31344211304 has 32 divisors (see below), whose sum is σ = 67290384000. Its totient is φ = 13408390080.

The previous prime is 31344211291. The next prime is 31344211307. The reversal of 31344211304 is 40311244313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31344211307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487004 + ... + 547595.

It is an arithmetic number, because the mean of its divisors is an integer number (2102824500).

Almost surely, 231344211304 is an apocalyptic number.

It is an amenable number.

31344211304 is an abundant number, since it is smaller than the sum of its proper divisors (35946172696).

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

31344211304 is a wasteful number, since it uses less digits than its factorization.

31344211304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035153 (or 1035149 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31344211304 its reverse (40311244313), we get a palindrome (71655455617).

The spelling of 31344211304 in words is "thirty-one billion, three hundred forty-four million, two hundred eleven thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 56 541 1082 2164 3787 4328 7574 15148 30296 1034599 2069198 4138396 7242193 8276792 14484386 28968772 57937544 559718059 1119436118 2238872236 3918026413 4477744472 7836052826 15672105652 31344211304