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1000031420310 = 2351323596130977
BaseRepresentation
bin11101000110101101000…
…01000111111110010110
310112121020220112202001020
432203112201013332112
5112341031020422220
62043224051542010
7132151465551306
oct16432641077626
93477226482036
101000031420310
1135612473649a
121419905ba906
13733c194a140
143658a6a5606
151b02e3c1040
hexe8d6847f96

1000031420310 has 256 divisors, whose sum is σ = 2787841566720. Its totient is φ = 227666165760.

The previous prime is 1000031420303. The next prime is 1000031420321. The reversal of 1000031420310 is 130241300001.

It is a super-2 number, since 2×10000314203102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000031420310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32267542 + ... + 32298518.

It is an arithmetic number, because the mean of its divisors is an integer number (10890006120).

Almost surely, 21000031420310 is an apocalyptic number.

1000031420310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000031420310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393920783360).

1000031420310 is an abundant number, since it is smaller than the sum of its proper divisors (1787810146410).

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

1000031420310 is a wasteful number, since it uses less digits than its factorization.

1000031420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31143.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1000031420310 its reverse (130241300001), we get a palindrome (1130272720311).

The spelling of 1000031420310 in words is "one trillion, thirty-one million, four hundred twenty thousand, three hundred ten".