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1030400131 = 2959602221
BaseRepresentation
bin111101011010101…
…010100010000011
32122210212202020211
4331122222202003
54102240301011
6250125014551
734351154005
oct7532524203
92583782224
101030400131
114896a7962
122490b4457
13135622327
149abc2375
15606d8b21
hex3d6aa883

1030400131 has 8 divisors (see below), whose sum is σ = 1083999600. Its totient is φ = 978005280.

The previous prime is 1030400117. The next prime is 1030400159. The reversal of 1030400131 is 1310040301.

1030400131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030400131 - 27 = 1030400003 is a prime.

It is a super-2 number, since 2×10304001312 = 2123448859929634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030400101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299400 + ... + 302821.

It is an arithmetic number, because the mean of its divisors is an integer number (135499950).

Almost surely, 21030400131 is an apocalyptic number.

1030400131 is a deficient number, since it is larger than the sum of its proper divisors (53599469).

1030400131 is an equidigital number, since it uses as much as digits as its factorization.

1030400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602309.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1030400131 is about 32099.8462768905. The cubic root of 1030400131 is about 1010.0323915371.

Adding to 1030400131 its reverse (1310040301), we get a palindrome (2340440432).

The spelling of 1030400131 in words is "one billion, thirty million, four hundred thousand, one hundred thirty-one".

Divisors: 1 29 59 1711 602221 17464409 35531039 1030400131