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13030230232131 = 374011547349511
BaseRepresentation
bin1011110110011101011000…
…1111101000110001000011
31201010200022011000102202120
42331213112033220301003
53201441402414412011
643414001035215323
72513255152341060
oct275472617506103
951120264012676
1013030230232131
1141740a92a5612
1215654198a7543
1373698c961338
14330948c81c67
15178e2d5dca06
hexbd9d63e8c43

13030230232131 has 16 divisors (see below), whose sum is σ = 19905104122368. Its totient is φ = 7427277648000.

The previous prime is 13030230232099. The next prime is 13030230232139. The reversal of 13030230232131 is 13123203203031.

It is not a de Polignac number, because 13030230232131 - 25 = 13030230232099 is a prime.

It is a super-2 number, since 2×130302302321312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13030230232139) 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, 773666335 + ... + 773683176.

It is an arithmetic number, because the mean of its divisors is an integer number (1244069007648).

Almost surely, 213030230232131 is an apocalyptic number.

13030230232131 is a deficient number, since it is larger than the sum of its proper divisors (6874873890237).

13030230232131 is a wasteful number, since it uses less digits than its factorization.

13030230232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547349922.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13030230232131 its reverse (13123203203031), we get a palindrome (26153433435162).

The spelling of 13030230232131 in words is "thirteen trillion, thirty billion, two hundred thirty million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 3 7 21 401 1203 2807 8421 1547349511 4642048533 10831446577 32494339731 620487153911 1861461461733 4343410077377 13030230232131