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10330403231 = 103181554117
BaseRepresentation
bin10011001111011110…
…10111000110011111
3222122221110212011002
421213233113012133
5132124040400411
64425024220515
7513665656451
oct114757270637
928587425132
1010330403231
114421274935
12200376a73b
13c882a1945
146dddac2d1
15406dc533b
hex267bd719f

10330403231 has 8 divisors (see below), whose sum is σ = 10488345504. Its totient is φ = 10173569760.

The previous prime is 10330403207. The next prime is 10330403233. The reversal of 10330403231 is 13230403301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10330403231 is a prime.

It is a super-2 number, since 2×103304032312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10330403233) 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, 258416 + ... + 295701.

It is an arithmetic number, because the mean of its divisors is an integer number (1311043188).

Almost surely, 210330403231 is an apocalyptic number.

10330403231 is a deficient number, since it is larger than the sum of its proper divisors (157942273).

10330403231 is a wasteful number, since it uses less digits than its factorization.

10330403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554401.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 10330403231 its reverse (13230403301), we get a palindrome (23560806532).

The spelling of 10330403231 in words is "ten billion, three hundred thirty million, four hundred three thousand, two hundred thirty-one".

Divisors: 1 103 181 18643 554117 57074051 100295177 10330403231