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1310303031312 = 2431125371167359
BaseRepresentation
bin10011000100010100001…
…001011001000000010000
311122021010021022200011110
4103010110021121000100
5132432000034000222
62441540033213320
7163444346666502
oct23042411310020
94567107280143
101310303031312
114657729a1100
12191b41a01240
139673a804382
14475c1a6dd72
152413d6e030c
hex13114259010

1310303031312 has 480 divisors, whose sum is σ = 3878031790080. Its totient is φ = 380719539200.

The previous prime is 1310303031293. The next prime is 1310303031329. The reversal of 1310303031312 is 2131303030131.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3649868989 + ... + 3649869347.

It is an arithmetic number, because the mean of its divisors is an integer number (8079232896).

Almost surely, 21310303031312 is an apocalyptic number.

1310303031312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310303031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939015895040).

1310303031312 is an abundant number, since it is smaller than the sum of its proper divisors (2567728758768).

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

1310303031312 is a wasteful number, since it uses less digits than its factorization.

1310303031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1310303031312 its reverse (2131303030131), we get a palindrome (3441606061443).

The spelling of 1310303031312 in words is "one trillion, three hundred ten billion, three hundred three million, thirty-one thousand, three hundred twelve".