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103431031420330 = 2518187356869921
BaseRepresentation
bin10111100001000111101001…
…111000101111010110101010
3111120012220120102020122210201
4113201013221320233112222
5102024103223020422310
61003551320533302414
730533434244052505
oct2741075170572652
9446186512218721
10103431031420330
112aa57943882679
12b725763194a0a
134593673267a53
141b781352c213c
15be5729d71e3a
hex5e11e9e2f5aa

103431031420330 has 16 divisors (see below), whose sum is σ = 186176883488904. Its totient is φ = 41372184360960.

The previous prime is 103431031420309. The next prime is 103431031420391. The reversal of 103431031420330 is 33024130134301.

It can be written as a sum of positive squares in 4 ways, for example, as 82442822518809 + 20988208901521 = 9079803^2 + 4581289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26616231 + ... + 30253690.

Almost surely, 2103431031420330 is an apocalyptic number.

103431031420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103431031420330 is a deficient number, since it is larger than the sum of its proper divisors (82745852068574).

103431031420330 is a wasteful number, since it uses less digits than its factorization.

103431031420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57051801.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 103431031420330 its reverse (33024130134301), we get a palindrome (136455161554631).

The spelling of 103431031420330 in words is "one hundred three trillion, four hundred thirty-one billion, thirty-one million, four hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 181873 363746 909365 1818730 56869921 113739842 284349605 568699210 10343103142033 20686206284066 51715515710165 103431031420330