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10031201430 = 2351917598599
BaseRepresentation
bin10010101011110011…
…11111110010010110
3221220002110211102220
421111321333302112
5131020441421210
64335215243210
7503403543135
oct112571776226
927802424386
1010031201430
114288396118
121b3b519506
13c3b2c3263
146b236591c
153da9c2c70
hex255e7fc96

10031201430 has 32 divisors (see below), whose sum is σ = 25341984000. Its totient is φ = 2534198112.

The previous prime is 10031201381. The next prime is 10031201431. The reversal of 10031201430 is 3410213001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031201431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798730 + ... + 8799869.

It is an arithmetic number, because the mean of its divisors is an integer number (791937000).

Almost surely, 210031201430 is an apocalyptic number.

10031201430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031201430 is an abundant number, since it is smaller than the sum of its proper divisors (15310782570).

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

10031201430 is a wasteful number, since it uses less digits than its factorization.

10031201430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17598628.

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

Adding to 10031201430 its reverse (3410213001), we get a palindrome (13441414431).

The spelling of 10031201430 in words is "ten billion, thirty-one million, two hundred one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 17598599 35197198 52795797 87992995 105591594 175985990 263978985 334373381 527957970 668746762 1003120143 1671866905 2006240286 3343733810 5015600715 10031201430