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31401364306 = 2131207744781
BaseRepresentation
bin11101001111101010…
…101100101101010010
310000001102012120210211
4131033222230231102
51003302222124211
622231532114334
72161104123034
oct351752545522
9100042176724
1031401364306
1112354284854
1261043059aa
132c65800850
14173c5d3c54
15c3bb8ce21
hex74faacb52

31401364306 has 8 divisors (see below), whose sum is σ = 50725280844. Its totient is φ = 14492937360.

The previous prime is 31401364283. The next prime is 31401364321. The reversal of 31401364306 is 60346310413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22278249081 + 9123115225 = 149259^2 + 95515^2 .

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, 603872365 + ... + 603872416.

Almost surely, 231401364306 is an apocalyptic number.

31401364306 is a deficient number, since it is larger than the sum of its proper divisors (19323916538).

31401364306 is a wasteful number, since it uses less digits than its factorization.

31401364306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207744796.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31401364306 its reverse (60346310413), we get a palindrome (91747674719).

The spelling of 31401364306 in words is "thirty-one billion, four hundred one million, three hundred sixty-four thousand, three hundred six".

Divisors: 1 2 13 26 1207744781 2415489562 15700682153 31401364306